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The (Second) Most Deadliest Virus on Earth

Video vocabulary

simple

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US / 'sɪmpl /

UK / ˈsɪmpəl /

A1
  • adjecitve
  • Not hard to understand or do; not complex
  • Having only a few parts; not complex
  • Being ordinary or normal
  • Being plain; without a lot added for style

toxin

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US / ˈtɒksɪn /

UK / ˈtɑ:ksɪn /

B1
  • noun
  • Any poisonous substance

reawaken

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US / ˌriːəˈweɪkən /

UK / ˌriːəˈweɪkən /

B2
  • verb
  • To wake up again; rediscover something new

blind

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US / blaɪnd /

UK / blaɪnd /

A2
  • adjecitve
  • Unable to see; with eyes that cannot see
  • Lacking in judgment or awareness
  • Be unable to see the truth about a situation
  • noun
  • Window covering that you can pull up and down
  • verb
  • To cause someone to lose the ability to see
  • To be unable to see the truth about a situation

crucial

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US / 'kru:ʃl /

UK / ˈkruʃəl /

B1
  • adjecitve
  • Extremely important or necessary

spark

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US / spɑ:k /

UK / spɑrk /

B1
  • noun
  • Small piece of burning material produced by fire
  • Tiny, brief bit of light caused by electric energy
  • First small part of an idea or feeling
  • verb
  • To make tiny, brief bits of light
  • To start something new; To set in motion, activate

who

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US / hu: /

UK / hu /

A1
  • pronoun
  • Which person
  • Used to introduce information about people

top

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US / tɒp /

UK / tɑp /

A1
  • adjecitve
  • Being good or great; excellent
  • Being the most in degree or quality
  • noun
  • Item of clothing covering shoulders to waist, hips
  • A cover or lid
  • Part (e.g. road) that is the furthest away
  • Highest or upper part or point of something
  • Best or highest status or position
  • Flat upper surface or edge of an object
  • Child's toy that spins on its point
  • Upper section or leaves of fruits and vegetables
  • Winning in a sport or contest
  • verb
  • To be higher or larger than a specific value
  • To arrive at the highest point of something
  • To put a cover or layer or over something
  • To kill; murder
  • To hold the highest position on a list
  • To be more important, successful or better than
  • To beat someone or win at a game

nature

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US / 'neɪtʃə(r) /

UK / ˈnetʃɚ /

A1
  • noun
  • Person's character or particular way of behaving
  • Basic look, feel or function of something
  • Physical world, including plants, animals, rocks

topic

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US / 'tɒpɪk /

UK / ˈtɑpɪk /

A2
  • noun
  • Subject or issue people talk or write about

laboratory

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US / lə'bɒrətrɪ /

UK / ˈlæbrəˌtɔri, -ˌtori /

B1
  • noun
  • A place to do scientific experiments

constantly

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US / ˈkɒnstəntli /

UK / ˈkɑnstəntlɪ /

B1
  • adverb
  • Frequently, or without pause

bring

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US / brɪŋ /

UK / brɪŋ /

A1
  • verb
  • To take or go with someone to a place

naturally

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US / ˈnætʃrəli /

UK / ˈnætʃərəli, ˈnætʃrə- /

A2
  • adverb
  • In the expected or usual way
  • Without the aid of someone or something

society

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US / sə'saɪətɪ /

UK / səˈsaɪɪti /

A2
  • noun
  • A group who meet to share values or interests
  • Group of people living together
  • Upper class of a community

close

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US / kləʊz /

UK / kloʊz /

A1
  • adjecitve
  • Almost; near
  • (Of a friend) well-known; liked by others
  • Being near or related
  • Similar; nearly the same
  • verb
  • To come progressively nearer to something
  • To end; to bring to an end
  • To make something shut; stop from being open

human

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US / 'hju:mən /

UK / ˈhjumən /

A1
  • adjecitve
  • Concerning or characteristic of people
  • noun
  • A person; a man, woman or child

look

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US / lʊk /

UK / lʊk /

A1
  • noun
  • Person's beauty or physical attractiveness
  • Particular style of dress, clothes, or appearance
  • The way someone, something appears to be
  • Act of searching for or examining something
  • verb
  • To appear to be; seem

biology

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US / baɪˈɒlədʒi /

UK / baɪˈɑlədʒi /

A2
  • noun
  • The study of living things

design

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US / dɪˈzaɪn /

UK / dɪˈzaɪn /

A1
  • noun
  • The way something is planned, to fulfill a purpose
  • verb
  • To plan in a particular way to fulfill a purpose
  • To think of a plan

smallpox

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US / ˈsmɔ:lpɒks /

UK / ˈsmɔlˌpɑks /

C1
  • noun
  • Contagious disease with pimples that leave scars

heavy

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US / 'hevɪ /

UK / ˈhɛvi /

A1
  • adjecitve
  • Greater in amount, degree, or severity than usual
  • Involving serious or strong emotions
  • Having a lot of weight

outbreak

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US / ˈaʊtbreɪk /

UK / ˈaʊtˌbrek /

B2
  • noun
  • Sudden occurrence of illness, discontent etc.

china

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US / ˈtʃaɪnə /

UK / ˈtʃaɪnə /

A1
  • noun
  • A communist nation that covers a vast territory in eastern Asia; the most populous country in the wo
  • other
  • High quality porcelain originally made only in China

risk

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US / rɪsk /

UK / rɪsk /

A1
  • noun
  • Actions that cause potential problems
  • verb
  • To do something potentially dangerous or foolish

cruel

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US / 'kru:əl /

UK / ˈkruəl /

B1
  • adjecitve
  • Hurtful; acting to hurt others intentionally

innovation

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US / ˌɪnəˈveɪʃn /

UK / ˌɪnəˈveʃən /

B1
  • noun
  • Process of creating new ideas or inventions

achievement

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US / əˈtʃi:vmənt /

UK / əˈtʃivmənt /

A2
  • noun
  • Something good that you have successfully done

worry

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US / ˈwʌri /

UK / ˈwɜ:ri /

A1
  • noun
  • Something that causes trouble or concern
  • verb
  • To cause concern or trouble over something

work

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US / wɜ:k /

UK / wɚk /

A1
  • adjecitve
  • Activity completed in order to make money
  • noun
  • The product of some artistic or literary endeavor
  • Everything created by an author, artist, musician
  • Activity you do in order to make money
  • Place of employment
  • Final product or result of a some labor or effort
  • verb
  • To bring into a specific state of success
  • To be functioning properly, e.g. a car
  • To do your job in your company or workplace
  • To make an effort to do something
  • To operate a machine or device

dry

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US / draɪ /

UK / draɪ /

A1
  • adjecitve
  • (Of humor) clever, but not obvious; ironic
  • Without water; not wet
  • (Of wine, etc.) not sweet
  • Without butter or jam
  • verb
  • To remove liquid or water from something

deactivate

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US / ˌdi:ˈæktɪveɪt /

UK / diˈæktəˌvet /

C2
  • verb
  • To stop a machine, service etc. from operating

old

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US / əʊld /

UK / old /

A1
  • adjecitve
  • Having existed for a long time, not young or new
  • Age of a person since birth

gain

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US / ɡeɪn /

UK / ɡen /

A2
  • noun
  • An increase in something, such as weight
  • verb
  • To increase in something, such as weight
  • To get something wanted, needed or valued

damage

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US / ˈdæmɪdʒ /

UK / ˈdæmɪdʒ /

A2
  • noun
  • Physical harm that is done to something
  • verb
  • To harm physically; to hurt or break something

take

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US / teɪk /

UK / tek /

A1
  • noun
  • Filming of a single scene for TV or the movies
  • verb
  • To accept something that is offered
  • To use a method of traveling, e.g. a bus or train
  • To use a camera to make (a photo)
  • To pick up something and go away with it
  • To study a subject in school
  • To attempt to pass (an exam)
  • To require a certain amount of time, money, space

its

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US / ɪts /

UK / ɪts /

A1
  • adjecitve
  • Referring to or belonging to ‘it’
  • determiner
  • Of something; belonging or related to something
  • other
  • Possessive form of “it”

network

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US / ˈnetwɜ:k /

UK / ˈnetwɜ:rk /

A2
  • noun
  • Group of computers connected to each other
  • System of connections
  • Group who work closely with each other
  • Group of radio or television stations, programs
  • verb
  • To join a group of computers together
  • To exchange information with colleagues, contacts

build

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US / bɪld /

UK / bɪld /

A1
  • noun
  • Your physical shape; physique
  • verb
  • To establish e.g. a reputation, over time
  • To construct a house, office, factory

eyesight

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US / ˈaɪsaɪt /

UK / ˈaɪˌsaɪt /

B2
  • noun
  • Normal use of the faculty of vision

approve

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US / əˈpru:v /

UK / əˈpruv /

A2
  • verb
  • To formally accept something or grant permission
  • To have a positive opinion of someone or something

audience

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US / ˈɔ:diəns /

UK / ˈɔdiəns /

A2
  • noun
  • Group of people attending a play, movie etc.

ago

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US / əˈgəʊ /

UK / əˈgoʊ /

A1
  • adverb
  • At a specified length of time in the past

act

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US / ækt /

UK / ækt /

A1
  • noun
  • What someone did; action; behavior
  • A law or rule passed by a government we must obey
  • One of the parts that a stage play is divided into
  • verb
  • To behave in a certain way
  • To perform on a stage or in a movie

evidence

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US / 'evɪdəns /

UK / ˈɛvɪdəns /

A1
  • noun
  • Factual proof that helps to establish the truth

scourge

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US / skɜ:dʒ /

UK / skə:dʒ /

C1
  • noun
  • Person or thing causing great suffering
  • verb
  • To cause a lot of trouble or suffering

all

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US / ɔ:l /

UK / ɔl /

A1
  • adverb
  • Completely; totally
  • determiner
  • Being every one of something
  • pronoun
  • 100% of something; the complete amount

organization

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US / ˌɔ:gənaɪˈzeɪʃn /

UK / ˌɔrɡənɪˈzeʃən /

A2
  • noun
  • Group of people with a particular purpose

everything

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US / 'evrɪθɪŋ /

UK / ˈɛvriˌθɪŋ /

A1
  • pronoun
  • All of the things mentioned

destruction

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US / dɪ'strʌkʃn /

UK / dɪˈstrʌkʃən /

B1
  • noun
  • Act of destroying; damaging beyond repair

tackle

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US / 'tækl /

UK / ˈtækəl /

B1
  • noun
  • Equipment used in fishing
  • Arrangement of ropes and wheels used for lifting
  • Attempt to force a person to the ground
  • verb
  • To start working on a difficult problem
  • To grab and throw a person to the ground

billion

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US / ˈbɪljən /

UK / ˈbɪljən /

A2
  • noun
  • Number 1,000,000,000

junk

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US / dʒʌŋk /

UK / dʒʌŋk /

B1
  • noun
  • Something that is old, useless, or has no value
  • verb
  • To get rid of something because it has no value

battleground

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US / 'bætlɡraʊnd /

UK / ˈbætlˌɡraʊnd /

C2
  • noun
  • Region where a battle was, or is being fought

they

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US / ðeɪ /

UK / ðe /

A1
  • pronoun
  • Two or more people, animals, or things

result

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US / rɪ'zʌlt /

UK / rɪˈzʌlt /

A2
  • noun
  • Something produced through tests or experiments
  • Final score of a competition, election or game
  • verb
  • To be the outcome of other causes and effects

gurney

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US / ˈgɜ:ni /

UK / ˈgɜ:rni /

A1
  • other
  • A metal stretcher with wheels

death

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US / deθ /

UK / dɛθ /

A2
  • noun
  • When someone dies; the end of life

killer

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US / ˈkɪlə(r) /

UK / ˈkɪlɚ /

A1
  • adjecitve
  • Being appealing or funny
  • noun
  • Something that is a challenge to deal with
  • Person, thing or animal that kills

their

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US / ðɛː /

UK / ðer /

A1
  • determiner
  • Belonging to them

defense

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US / dɪ'fens /

UK / dɪˈfɛns /

B1
  • noun
  • Argument in support of something
  • The process of protecting something from attack
  • Part of a team that prevents others from scoring

return

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US / rɪ'tɜ:n /

UK / rɪ'tɜ:rn /

A1
  • adjecitve
  • Do again; repeated
  • noun
  • Faulty or unwanted product sent back to a company
  • Enter key; the main key on the computer keyboard
  • Profit made as a result of a business activity
  • Process of going back to a previous way or state
  • verb
  • To hit something back to the other player or team
  • To come back after being away from somewhere
  • To repay someone's actions, kindness etc.
  • To put, bring, take, give, or send something back
  • To occur again

very

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US / 'verɪ /

UK / ˈvɛri /

A1
  • adjecitve
  • Concerning a large degree or amount
  • adverb
  • A lot; much; many
  • Used to stress or emphasize a noun

russia

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US / 'rʌʃə /

UK / 'rʌʃə /

A1
  • proper noun
  • A country in northern Asia and eastern Europe; population 143,500,000 (estimated 2015); capital, Mos

virus

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US / 'vaɪrəs /

UK / ˈvaɪrəs /

B1
  • noun
  • File secretly put on computers to cause harm
  • Living organism that causes disease or sickness

way

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US / weɪ /

UK / we /

A1
  • adverb
  • Used to emphasize the amount of something
  • noun
  • Particular aspect of something being thought about
  • One of various choices that could be made
  • Particular existing condition or state
  • (Often long) distance or length of time
  • How something is done
  • Route to go to a place
  • Small street
  • Usual behavior, emotions or habits of someone

space

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US / speɪs /

UK / spes /

A1
  • noun
  • Empty area kept for a specific reason, like a car
  • Empty area with nothing in it
  • Area in the sky where the stars are
  • Area between written words on a page
  • verb
  • To make a certain distance or time between

unfortunate

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US / ʌnˈfɔ:tʃənət /

UK / ʌnˈfɔrtʃənɪt /

B1
  • adjecitve
  • Having bad luck; bringing a bad result

mummy

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US / ˈmʌmi /

UK / ˈmʌmi /

A1
  • noun
  • Mother

introduce

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US / ˌɪntrəˈdju:s /

UK / ˌɪntrəˈdus, -ˈdjus /

A1
  • verb
  • To open an essay to set the scene
  • To guide or explain something, e.g. a town
  • To begin the use of a new thing or practice
  • To make someone known to another by name
  • To insert or put something inside another thing

fill

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US / fɪl /

UK / fɪl /

A1
  • noun
  • Act of filling; amount used to make something full
  • verb
  • To make something full
  • To move into all parts of an area
  • To repair a surface by adding a substance to it
  • To use (time); to do something during

capillary

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US / kəˈpɪləri /

UK / ˈkæpəˌlɛri /

C1
  • noun
  • Very small tube that carry blood in the body

possible

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US / ˈpɒsəbl /

UK / ˈpɑsəbəl /

A1
  • adjecitve
  • Being able or appropriate for a task or purpose
  • Having a chance of happening, or being true

exciting

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US / ɪkˈsaɪtɪŋ /

UK / ɪkˈsaɪtɪŋ /

A2
  • adjecitve
  • Creating interest, happiness or pleasurable fear
  • verb
  • To cause a reaction; make active
  • To make someone feel happy, interested or eager

first

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US / fɜ:st /

UK / fɚst /

A1
  • adjecitve
  • 1st; Coming before all others in time or place
  • noun
  • Something that has not happened before
  • Position of the winner of a competition

tissue

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US / ˈtɪʃu: /

UK / ˈtɪʃu /

A2
  • noun
  • Substance formed by cells of living thing; flesh
  • Kind of thin, light paper used to pack objects
  • Thin soft paper for blowing the nose, etc.

nostril

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US / ˈnɒstrəl /

UK / ˈnɑstrəl /

B2
  • noun
  • Either of two holes on the outside of the nose

disable

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US / dɪs'eɪbl /

UK / dɪsˈebəl /

A2
  • verb
  • To cause something to be unable to act normally

shy

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US / ʃaɪ /

UK / ʃaɪ /

A2
  • adjecitve
  • Afraid of meeting people; lacking self-confidence
  • Being less than the full or expected amount
  • verb
  • To move away due to nervousness

step

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US / step /

UK / stɛp /

A1
  • noun
  • Movement done as part of a particular dance
  • Distance covered by one movement of a leg; stride
  • One part or stage in a process
  • Sound made by the feet while walking; footstep
  • Flat horizontal piece that forms stairs
  • verb
  • To raise and moving the foot to put it down

each

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US / i:tʃ /

UK / itʃ /

A1
  • determiner
  • Every one of two or more things
  • pronoun
  • Per one person or thing

pointy

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US / ˈpɔɪnti /

UK / ˈpɔɪnti /

A1
  • adjecitve
  • Being sharp in shape

get

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US / ɡet /

UK / ɡɛt /

A1
  • verb
  • To become affected by illness or disease
  • To begin to feel or understand an emotion or idea
  • To send or bring someone or something home, etc.
  • To go somewhere to obtain something
  • To (cause to) do a particular thing
  • To obtain, receive or be given something
  • To currently have
  • To prepare for use
  • To understand something being said or read

cell

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US / sel /

UK / sɛl /

A2
  • noun
  • Smallest unit of living things in biology
  • Group of people - often from a secret organization
  • Prisoner's room in a jail
  • Shortened form of 'cellphone'

what

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US / wɒt /

UK / hwɑt, hwʌt, wɔt, wʌt,hwət, wət /

A1
  • pronoun
  • Thing or things that; the same kind as
  • Used to emphasize something you are about to say
  • adjecitve
  • Used to refer to a particular amount, or number
  • Used to place emphasis on a particular quality
  • adverb
  • To a certain degree
  • determiner
  • Question words used for asking for information
  • exclamation
  • Used to express excitement, shock, or surprise
  • Used to ask people to repeat something they said

present

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US / 'preznt /

UK / ˈprɛznt /

A1
  • adjecitve
  • Being in attendance; being there; having turned up
  • noun
  • Gift
  • Verb tense indicating an action is happening now
  • Current time; now
  • verb
  • To introduce someone to others
  • To host a program on television or radio
  • To give a speech or presentation
  • To show something to someone who will examine it
  • To appear or happen
  • To give an award or prize to someone

ride

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US / raɪd /

UK / raɪd /

A1
  • noun
  • Machine at an amusement park for riding on for fun
  • Trip on a bicycle or a horse
  • verb
  • To travel in a particular vehicle as a passenger
  • To sit on and control a horse or vehicle

dead

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US / ded /

UK / dɛd /

A1
  • adjecitve
  • Not alive
  • Being bored or not interested
  • Unable to operate because electricity etc. ran out
  • Being unable to feel, physically or emotionally
  • adverb
  • Completely; absolutely

fight

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US / faɪt /

UK / faɪt /

A1
  • noun
  • An argument or quarrel
  • Act of trying to hurt someone by hitting them
  • A struggle to do a difficult task
  • verb
  • To argue or quarrel with someone about something
  • To try to hurt someone by hitting them
  • To struggle to do a difficult task

again

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US / ə'ɡen /

UK / əˈɡɛn /

A1
  • adverb
  • One more time, once more

phase

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US / feɪz /

UK / fez /

A2
  • noun
  • Different stages of the moon from new to full
  • Distinct part or step in a process
  • One stage of a process or series of stages
  • verb
  • To make happen in a gradual ordered way

great

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US / ɡreɪt /

UK / ɡret /

A1
  • adjecitve
  • Very large in size
  • Very important
  • Very good; fantastic; wonderful
  • adverb
  • Very good; better than before
  • noun
  • Successful and well-admired person

nasty

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US / 'nɑ:stɪ /

UK / ˈnæsti /

A2
  • adjecitve
  • Very bad, unpleasant, or offensive

site

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US / saɪt /

UK / saɪt /

A2
  • noun
  • Place that is reserved for a particular activity
  • Location of building work
  • Location of something
  • Place where something of special interest happened
  • Website
  • verb
  • To place something in a particular position, area

jungle

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US / 'dʒʌŋɡl /

UK / ˈdʒʌŋɡəl /

B1
  • noun
  • Tropical area with many wild plants and animals

case

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US / keɪs /

UK / kes /

A1
  • noun
  • Container used to carry things, e.g. clothes
  • Set of facts about a crime
  • Set of facts about an event
  • Example or instance of something
  • verb
  • To find out about a place, as in planning to steal

like

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US / laɪk /

UK / laɪk /

A1
  • adjecitve
  • Being equal in status or kind to something else
  • Similar; the same
  • adverb
  • For example
  • preposition
  • Used as a filler; used to ad emphasis
  • In a way similar to the way something is done
  • Such as; for example
  • verb
  • To want to
  • To find something pleasing; to prefer something

catch

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US / kætʃ /

UK / kætʃ, kɛtʃ /

A1
  • noun
  • Amount of something that has been caught
  • Trick or something trying to deceive
  • verb
  • To stop something flying and hold it
  • To stop something and not let it go, e.g. animals
  • To get sick or get a disease from someone else
  • To find someone to do something, a task
  • To get stuck on or in something
  • To be trapped so you can’t escape
  • To be able to understand what someone is saying

inspire

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US / ɪn'spaɪə(r) /

UK / ɪnˈspaɪr /

B1
  • verb
  • To give someone an idea to do or make something
  • To make someone feel a certain emotion

hard

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US / hɑ:d /

UK / hɑː(r)d /

A1
  • adjecitve
  • Difficult to do; difficult to understand
  • (Of facts) not able to be misunderstood; clear
  • (Of alcohol) strong
  • Involving or requiring lots of work, effort, care
  • Being full of pain, trouble, and problems
  • Strong
  • (Of edge) clear; sharp
  • Difficult to bend, break or cut; solid
  • adverb
  • With lots of force, power, or impact

health

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US / helθ /

UK / hɛlθ /

A1
  • noun
  • (Person, company) being in a good condition; well

biologist

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US / baɪˈɒlədʒɪst /

UK / baɪˈɑːlədʒɪst /

A2
  • noun
  • A scientist who studies living things

disrupt

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US / dɪsˈrʌpt /

UK / dɪsˈrʌpt /

B2
  • verb
  • To cause a disturbance in an activity in progress

officially

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US / əˈfɪʃəli /

UK / əˈfɪʃəlɪ /

A2
  • adverb
  • According to what is stated by an authority figure

reaction

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US / rɪ'ækʃn /

UK / riˈækʃən /

A2
  • noun
  • Bodily response to a drug or something eaten
  • Feeling or action in response to something

powder

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US / 'paʊdə(r) /

UK / ˈpaʊdɚ /

B1
  • noun
  • Dry material made up of small powder-like pieces
  • Dry and light form of snow
  • verb
  • To apply a dust onto the body or face

slain

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US / sleɪn /

UK / slen /

B2
  • verb
  • To kill violently

terrible

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US / ˈterəbl /

UK / ˈtɛrəbəl /

A2
  • adjecitve
  • Very bad; horrible

everywhere

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US / ˈevriweə(r) /

UK / ˈevriwer /

A1
  • adverb
  • Every place

about

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US / ə'baʊt /

UK / əˈbaʊt /

A1
  • adverb
  • To be ready to; going to
  • Nearly; approximately; roughly
  • Near; next to; close to
  • In every direction; in the area of
  • preposition
  • Concerning or of (a topic)

infect

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US / ɪn'fekt /

UK / ɪnˈfɛkt /

B1
  • verb
  • To introduce a computer virus to
  • To give a disease, bacteria or virus to
  • To make people feel the same emotion you are

attract

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US / ə'trækt /

UK / əˈtrækt /

A2
  • verb
  • To make something move closer using magnetic force
  • To make someone notice and become interested in

that

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US / ðæt /

UK / ðæt, ðət /

A1
  • adjecitve
  • The person or thing being talked about
  • Used to identify something both the speakers know
  • adverb
  • Used to reinforce adjectives and adverbs
  • To such a degree
  • conjunction
  • Used to connect a noun clause
  • Used to introduce an adverbial clause
  • Used to introduce a noun clause
  • determiner
  • Used as a noun to refer to something
  • pronoun
  • Referring an object far away
  • Used to refer to the relative pronoun ‘which’

even

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US / 'i:vn /

UK / ˈivən /

A1
  • adjecitve
  • Being equal in influence, power, possibility etc.
  • Being divided equally or fairly
  • (Of teams/contest) with similar chances of success
  • Smooth, level, or regular
  • Can be divided by 2; ending in 2, 4, 6, 8, or 0
  • At a regular, equally steady manner
  • Remaining steady and unchanging
  • adverb
  • (When this is surprising) as well; too
  • (Used to compare two things/stress the difference)
  • verb
  • To make something level; to flatten
  • To make something equal

maim

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US / meɪm /

UK / mem /

C1
  • verb
  • To cause physical damage to; scar; mutilate

least

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US / li:st /

UK / list /

A1
  • adverb
  • In the smallest or lowest way
  • noun
  • Something that is of the lowest or smallest degree

down

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US / daʊn /

UK / daʊn /

A1
  • adjecitve
  • Being sad, sick, or unhappy
  • Not operating, working, or functioning as expected
  • adverb
  • In a sitting or lying position
  • Towards or on the ground, floor, or bottom
  • Written or copied onto a piece of paper or book
  • noun
  • A period of play in American Football
  • The soft, smooth hairs that cover a bird's body
  • preposition
  • Along something's path, course, or direction
  • Going from a higher position to a lower position
  • verb
  • To eat or drink very quickly and without stopping

humankind

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US / ˌhju:mənˈkaɪnd /

UK / ˈhjumənˌkaɪnd /

B2
  • noun
  • All of the living human inhabitants of the earth

vision

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US / 'vɪʒn /

UK / ˈvɪʒən /

A2
  • noun
  • Ability to see; eyesight
  • Something you see in your imagination or dreams
  • Ability to plan for the future of something

nothing

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US / 'nʌθɪŋ /

UK / ˈnʌθɪŋ /

A1
  • noun
  • Item of little or no value, importance, interest
  • Number or value of zero
  • pronoun
  • Not anything, not a single thing

win

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US / wɪn /

UK / wɪn /

A1
  • noun
  • Success in beating the other team or competitors
  • Success in a game or contest
  • verb
  • To get something as a prize because of a success
  • To gain something you want because of your efforts
  • To succeed in a game or contest

despite

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US / dɪˈspaɪt /

UK / dɪˈspaɪt /

A2
  • preposition
  • Without being affected by something; in spite of

anymore

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US / 'enɪmɔ: /

UK / ˌɛniˈmɔr, -ˈmor /

A2
  • adverb
  • No longer; no more

enough

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US / ɪˈnʌf /

UK / ɪˈnʌf /

A1
  • adjecitve
  • Sufficient to answer the need
  • adverb
  • To a satisfactory degree
  • pronoun
  • Equal to what is needed; as much as required
  • Adequate number or amount

resistance

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US / rɪ'zɪstəns /

UK / rɪˈzɪstəns /

A2
  • noun
  • Force that stops or slows movement of something
  • Refusal to accept something new or different

right

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US / raɪt /

UK / raɪt /

A1
  • adjecitve
  • Correct or true
  • The south side of you looking at the rising sun
  • adverb
  • Exactly in a place or time
  • Being appropriate for a particular event
  • In a straight or direct manner
  • noun
  • Something you are legally or morally allowed to do
  • Ideal of what is just and good
  • Political view based on conservatism
  • verb
  • To fix something previously wrong or unjust
  • To make upright, as a boat that has turned over

people

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US / 'pi:pl /

UK / ˈpipəl /

A1
  • noun
  • Persons sharing culture, country, background, etc.
  • Men, Women, Children

variolation

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US / vəraɪə'leɪʃn /

UK / vəraɪə'leɪʃn /

A1
  • noun
  • The obsolete process of inoculating a susceptible person with material taken from a vesicle of a per

find

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US / faɪnd /

UK / faɪnd /

A1
  • noun
  • Object discovered by chance
  • Things that have been discovered from searching
  • verb
  • To become aware of something that is happening
  • To discover or meet by chance
  • To decide if someone is guilty of a crime, or not
  • To learn through study, research, or effort
  • To discover something by looking for it

happen

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US / 'hæpən /

UK / ˈhæpən /

A1
  • verb
  • To take place or occur

jump

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US / dʒʌmp /

UK / dʒʌmp /

A1
  • noun
  • Large sudden increase
  • An act of springing into the air
  • Bar or other thing that is jumped over
  • A sudden movement due to surprise
  • verb
  • To attack someone suddenly
  • To push your body into the air with your legs
  • To suddenly decide to do something
  • To make a sudden movement due to surprise

suddenly

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US / ˈsʌdənli /

UK / ˈsʌdn:lɪ /

A1
  • adverb
  • In an unexpected or very quick manner

practice

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US / 'præktɪs /

UK / ˈpræktɪs /

A2
  • noun
  • The office and place for legal or medical work
  • Doing something many times to become better at it
  • verb
  • To work as a doctor or lawyer
  • To live according to the teachings of a religion
  • To do something many times to improve a skill

slowly

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US / ˈsləʊli /

UK / ˈsloʊli /

A1
  • adverb
  • In an unhurried or not speedy manner

highway

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US / 'haɪweɪ /

UK / ˈhaɪˌwe /

A2
  • noun
  • Main road connecting places

number

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US / ˈnʌmbə(r) /

UK / ˈnʌmbɚ /

A1
  • noun
  • Symbols such as 1, 2, 56, 793
  • Particular song or dance performed during a show
  • Total quantity or amount of things
  • verb
  • To put numbers on things
  • To assign a sequence within a group, series, set
  • To claim to be part of a larger group, series, set

cause

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US / kɔ:z /

UK / kɔz /

A2
  • noun
  • Belief, goal or organization that people support
  • Reason for
  • verb
  • To make something happen; create effect or result

cousin

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US / 'kʌzn /

UK / 'kʌzn /

A2
  • noun
  • Child of your uncle or aunt
  • Something similar to or related to something else

then

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US / ðen /

UK / ðɛn /

A1
  • adverb
  • A time that is not now
  • Following another thing in time or arrangement
  • Following on reasonably from what was just stated
  • At that time, not now

spill

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US / spɪl /

UK / spɪl /

B1
  • noun
  • Accident when someone falls
  • Act of allowing a fluid to escape
  • verb
  • To come out of and spread beyond limits
  • To cause (blood) to flow from body, as by killing
  • To tell secrets or let information escape
  • To cause a liquid to fall out of its container
  • To come out of a holding container

ravage

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US / ˈrævɪdʒ /

UK / ˈrævɪdʒ /

A1
  • noun
  • The severely damaging or destructive effects of something.
  • transitive verb
  • Cause severe and extensive damage to.

whenever

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US / wenˈevə(r) /

UK / hwɛnˈɛvɚ /

A1
  • adverb
  • At any or every time that

fascinating

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US / ˈfæsɪneɪtɪŋ /

UK / ˈfæsəˌnetɪŋ /

B1
  • adjecitve
  • Having your attention fixated as though by a spell
  • Very interesting
  • verb
  • To attract or interest greatly

eye

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US / aɪ /

UK / aɪ /

A1
  • noun
  • The part of the body that you see with
  • The skill to see the good and bad parts of a thing
  • Hole at the end of a needle
  • verb
  • To watch or study something closely

place

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US / pleɪs /

UK / ples /

A1
  • noun
  • Particular location, area or region
  • verb
  • To put someone in a particular type of situation
  • To put something in a certain location or position

care

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US / keə(r) /

UK / kɛr /

A1
  • noun
  • Treatment you receive for your health or safety
  • Something that a person worries about
  • verb
  • To feel interest, concern, or worry
  • To look after someone or something

specie

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US / 'spi:ʃi: /

UK / 'spi:ʃɪ /

B1
  • noun
  • Singular of species

flood

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US / flʌd /

UK / flʌd /

B1
  • noun
  • Large number of people or things arriving at once
  • Destruction when a river breaks its banks
  • verb
  • To quickly appear unexpectedly and in volume
  • (Of liquid) to fill or cover something completely

shut

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US / ʃʌt /

UK / ʃʌt /

A2
  • verb
  • To stop being open for business
  • To close something, e.g. a door

second

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US / 'sekənd /

UK / ˈsɛkənd /

A1
  • adjecitve
  • 2nd; the one following first
  • noun
  • Unit of time; one sixtieth of a minute
  • Short period of time that you wait for someone
  • (Do) soon
  • verb
  • To agree to support a proposal at a meeting

themselves

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US / ðəmˈselvz /

UK / ðɛmˈsɛlvz, ðəm- /

A1
  • pronoun
  • Reflexive form of 'they'

whole

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US / həul /

UK / hol /

A1
  • adjecitve
  • Complete or full; all of
  • Being in a good condition
  • noun
  • Complete amount or sum; total

video

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US / 'vɪdɪəʊ /

UK / ˈvɪdiˌo /

A2
  • adjecitve
  • Of a moving film, with sound
  • noun
  • Recording capturing action with sound
  • verb
  • To make a moving film of, with sound

horrible

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US / ˈhɒrəbl /

UK / ˈhɔrəbəl, ˈhɑr- /

A2
  • adjecitve
  • Very bad; causing annoyance, distaste or fear

now

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US / naʊ /

UK / naʊ /

A1
  • adverb
  • At the present time or moment
  • Right away or in the next possible moment
  • Used to refer to something that just happened
  • Time between the present and a moment in the past
  • conjunction
  • Resulting from or because of something

slow

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US / sləʊ /

UK / sloʊ /

A1
  • adjecitve
  • Lacking activity, busyness or excitement
  • (Clock) showing time earlier than the actual time
  • Having difficulty understanding simple things
  • Moving or happening without speed; not fast
  • verb
  • To move, with less speed than before
  • To move or go without much speed

really

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US / ˈri:əli /

UK / ˈriəˌli, ˈrili /

A1
  • adverb
  • Used to stress something that is said; definitely
  • In a true or accurate manner
  • Very

deliver

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US / dɪ'lɪvə(r) /

UK / dɪˈlɪvɚ /

A2
  • verb
  • To give birth to a child; help a woman give birth
  • To save someone from a problem or crisis
  • To keep a promise; do what you say you would
  • To present something to a group, as a speech
  • To take something to a person or place

merciless

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US / ˈmɜ:sɪləs /

UK / ˈmə:sɪlɪs /

B1
  • adjecitve
  • Without compassion; harsh; cruel

usually

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US / ˈju:ʒuəli /

UK / ˈjuːʒuəli /

A1
  • adverb
  • Normally; regularly

battlefield

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US / ˈbætlfi:ld /

UK / ˈbætlˌfild /

C1
  • noun
  • Region where a battle was, or is being fought

become

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US / bɪ'kʌm /

UK / bɪˈkʌm /

A1
  • verb
  • To begin to be; grow to be; develop into
  • To be suitable for a particular job or role

good

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US / ɡʊd /

UK / ɡʊd /

A1
  • adjecitve
  • Proper, appropriate or right
  • (Of an amount) enough; plenty
  • Excellent; high quality
  • Acting well or properly; of moral character
  • In a positive or happy emotional state
  • noun
  • Advantage or benefit

understand

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US / ˌʌndə'stænd /

UK / ˌʌndɚˈstænd /

A1
  • verb
  • To know the meaning of language, what someone says

minefield

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US / ˈmaɪnfi:ld /

UK / ˈmaɪnˌfild /

B2
  • noun
  • A dangerous situation or task
  • Area in which explosive mines have been placed

necessary

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US / 'nesəsərɪ /

UK / ˈnɛsɪˌsɛri /

A1
  • adjecitve
  • Needed or required; unavoidable

mother

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US / ˈmʌðə(r) /

UK / ˈmʌðɚ /

A1
  • noun
  • Female who has a child or children; female parent
  • verb
  • To take care of someone as if they were your child

give

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US / ɡɪv /

UK / ɡɪv /

A1
  • noun
  • Degree of flexibility in something, a material
  • verb
  • To hand over or present something to someone
  • To cause someone to have or experience something

brother

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US / ˈbrʌðə(r) /

UK / ˈbrʌðɚ /

A1
  • noun
  • A boy or man who shares a parent with you

horribly

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US / 'hɒrəblɪ /

UK / ˈhɔrəblɪ /

A2
  • adjecitve
  • Very badly; terribly

rash

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US / ræʃ /

UK / ræʃ /

B2
  • adjecitve
  • Without much thought; done or acting too quickly
  • noun
  • Series of many negative events in a short time
  • Skin condition of raised red spots

enlightenment

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US / ɪnˈlaɪtnmənt /

UK / ɛnˈlaɪtn:mənt /

B2
  • noun
  • State of having a lot of knowledge and wisdom

can

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US / kæn /

UK / kən,kæn /

A1
  • noun
  • A metal container for storing food
  • other
  • Able to; have the skill to; have the time to
  • verb
  • To have permission to
  • To be possible to do
  • To preserve food by sealing it in a metal container

sheer

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US / ʃɪə(r) /

UK / ʃɪr /

B1
  • adjecitve
  • (Of luck/stupidity) very complete or absolute
  • (Of fabric) very fine or thin; see-through
  • adverb
  • Straight up and down; steeply
  • verb
  • To suddenly turn or change direction

variant

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US / ˈveəriənt /

UK / ˈveriənt /

A2
  • noun
  • Thing that differs from something of the same kind

not

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US / nɒt /

UK / nɑt /

A1
  • adverb
  • Word indicating the negative
  • (Used to form the negative of verbs)

our

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US / 'aʊə(r) /

UK / aʊr /

A1
  • determiner
  • Belonging to us

would

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US / wʊd /

UK / wʊd /

A1
  • other
  • Used to indicate something imagined
  • Used to ask or request something politely
  • Verb used to indicate possibility, request etc.
  • Used to indicate a preference
  • Used to indicate a reaction
  • Indicates something that occurred repeatedly
  • Used to indicate willingness or ability to do

craft

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US / krɑ:ft /

UK / kræft /

B1
  • noun
  • Job requiring a worker to have specific skills
  • Vehicle that travels on water or through the air
  • verb
  • To make by hand and with much skill

final

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US / ˈfaɪnl /

UK / ˈfaɪnəl /

A1
  • adjecitve
  • That will not be changed; permanent
  • Being the last thing in a series
  • noun
  • Last game in a series in a competition

tiny

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US / 'taɪnɪ /

UK / ˈtaɪni /

A2
  • adjecitve
  • Very, very small

traumatize

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US / ˈtrɔ:mətaɪz /

UK / ˈtraʊmətaɪz /

A1
  • verb
  • To cause trauma and shock
  • (Of a bad experience) to cause great shock to

against

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US / əˈgenst /

UK / əˈɡenst /

A1
  • preposition
  • In physical contact with, as for support; next to
  • In opposition to; disagreeing with

excited

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US / ɪkˈsaɪtɪd /

UK / ɪkˈsaɪtɪd /

A2
  • adjecitve
  • Happy, interested or eager; enthusiastic
  • verb
  • To make something or someone become more active
  • To make someone feel happy, interested or eager

but

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US / bət /

UK / bʌt,bət /

A1
  • conjunction
  • Used before you say something different, opposite

incredibly

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US / ɪnˈkredəbli /

UK / ɪnˈkrɛdəblɪ /

A2
  • adverb
  • To a great degree; very; amazingly

prevent

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US / prɪ'vent /

UK / prɪˈvɛnt /

A2
  • verb
  • To stop something from happening or existing

life

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US / laɪf /

UK / laɪf /

A1
  • noun
  • All the living things e.g. animals, plants, humans
  • Period of time things live, from birth to death

child

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US / tʃaɪld /

UK / tʃaɪld /

A1
  • noun
  • A very young person, between about 2 and 15

globally

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US / 'ɡləʊbəlɪ /

UK / 'ɡloʊbəlɪ /

B1
  • adverb
  • Throughout the world

disease

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US / dɪˈzi:z /

UK / dɪˈziz /

A2
  • noun
  • Illness that affects a person, animal, or plant

span

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US / spæn /

UK / spæn /

B1
  • noun
  • Distance between two supports of a bridge
  • Period of time that something continues for
  • other
  • Periods of time that something continues for
  • verb
  • To go across a certain distance between things
  • To cover or extend over a time period

organ

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US / 'ɔ:ɡən /

UK / ˈɔrɡən /

B1
  • noun
  • Part of a person's body with a particular function
  • Large institution or body
  • Large wind instrument similar to a piano

want

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US / wɔnt /

UK / wɑnt, wɔnt /

A1
  • noun
  • Something you desire or wish for
  • State or condition of poverty
  • verb
  • To desire or wish for something; hope for a thing

breathe

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US / bri:ð /

UK / brið /

A2
  • verb
  • To move air into and out of your lungs
  • To say something very softly
  • To stop moving so one can rest

stun

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US / stʌn /

UK / stʌn /

B2
  • verb
  • To greatly shock or surprise; totally amaze
  • To incapacitate using a special gun

panic

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US / 'pænɪk /

UK / ˈpænɪk /

B1
  • noun
  • Overwhelming feeling of fear and anxiety
  • verb
  • To feel sudden anxiety and fear and cannot think

support

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US / səˈpɔ:t /

UK / səˈpɔrt, -ˈport /

A1
  • noun
  • Assistance or advice given to someone
  • Evidence that helps prove something is true
  • A thing to hold up or prevent from falling down
  • verb
  • To give assistance or advice to someone
  • To help prove or show that something is true
  • To hold up or prevent from falling down

enter

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US / 'entə(r) /

UK / ˈɛntɚ /

A1
  • verb
  • To start a career or an education
  • To become a competitor in a contest
  • To add or type information in a computer
  • To go into a room, building etc.

research

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US / rɪ'sɜ:tʃ /

UK / rɪˈsɚtʃ, ˈriˌsɚtʃ /

A2
  • noun
  • Study done to discover new ideas and facts
  • Work done to find or discover knowledge
  • verb
  • To study in order to discover new ideas and facts

single

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US / 'sɪŋɡl /

UK / ˈsɪŋɡəl /

A1
  • adjecitve
  • Being one only, without others
  • Only; merely
  • Not married or in a relationship
  • noun
  • One run in cricket or a hit baseball
  • An individual song from a CD or album
  • Person who is not married or in a relationship

dendritic

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US / dɛnˈdrɪtɪk /

UK / dɛnˈdrɪtɪk /

A1
  • adjecitve
  • Concerning or resembling a dendrite

exclusively

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US / ɪk'sklu:sɪvlɪ /

UK / ɪkˈsklusɪvlɪ /

B2
  • adverb
  • For the use of only one person or group

reproduce

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US / ˌri:prə'dju:s /

UK / ˌriprəˈdus, -ˈdjus /

B1
  • verb
  • To make a copy of something
  • To have children/young; grow roots/new plants

unavoidable

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US / ˌʌnəˈvɔɪdəbl /

UK / ˌʌnəˈvɔɪdəbəl /

B1
  • adjecitve
  • That cannot prevent from happening

civilian

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US / sə'vɪlɪən /

UK / sɪˈvɪljən /

B2
  • noun
  • Ordinary person who is not in the army

survive

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US / sə'vaɪv /

UK / sɚˈvaɪv /

A2
  • verb
  • To continue to live despite illness or trouble

invader

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US / ɪnˈveɪdə(r) /

UK / ɪnˈvedɚ /

B1
  • noun
  • Someone who enters to cause harm

affect

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US / ə'fekt /

UK / əˈfɛkt /

A2
  • verb
  • To cause a change in something else

revolutionary

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US / ˌrevə'lu:ʃənərɪ /

UK / ˌrɛvəˈluʃəˌnɛri /

B2
  • adjecitve
  • Marking a significant change in something
  • Relating to a violent replacement of a government
  • noun
  • Person fighting to replace a government

real

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US / rɪəl /

UK / ˈriəl, ril /

A1
  • adjecitve
  • Actually existing or happening, not imagined
  • Being important or special

hurt

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US / hɜ:t /

UK / hɚt /

A1
  • noun
  • Mental, emotional, or physical pain
  • verb
  • To cause pain, damage or injury

leave

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US / li:v /

UK / liv /

A1
  • noun
  • Permission to do something
  • Vacation time; time off work
  • verb
  • To go away from; depart
  • To gift property to someone after you die
  • To allow something to continue happening
  • To let something remain unused or available
  • To let something or someone remain somewhere

only

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US / ˈəunli /

UK / ˈonli /

A1
  • adverb
  • Just one; just that amount or thing; not more than
  • Not very important or serious
  • Just that type of thing, person
  • Short time ago; not before a certain time
  • conjunction
  • Except; but

antivirus

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US / ˈæntivaɪrəs /

UK / ˌæntiˈvaɪrəs, ˌæntaɪ- /

C2
  • noun
  • Substance used to fight against viruses

skin

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US / skɪn /

UK / skɪn /

A2
  • noun
  • Outer covering of an animal used for leather; hide
  • Outer covering of a fruit or vegetable
  • Outer layer of an animal or human
  • Outer part of an object, such as a plane
  • verb
  • To defeat someone easily and completely
  • To hurt yourself, accidentally cutting yourself
  • To remove the outer covering from an animal

owe

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US / əʊ /

UK / o /

A2
  • verb
  • To need to do something in return for a favor etc.
  • To credit someone or thing for making it possible
  • To have a commitment to pay someone for something

where

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US / hwɛə /

UK / hwɛr, wɛr /

A1
  • conjunction
  • At or in the place which
  • In whatever place
  • pronoun
  • Word you use to ask the location of something

carnage

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US / ˈkɑ:nɪdʒ /

UK / ˈkɑ:rnɪdʒ /

C1
  • noun
  • Destruction and devastation involving human deaths

significantly

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US / sɪgˈnɪfɪkəntli /

UK / sɪɡˈnɪfəkəntlɪ /

A2
  • adverb
  • In a way that is important or noticeable
  • In a way that is meaningful

uncle

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US / 'ʌŋkl /

UK / ˈʌŋkəl /

A2
  • noun
  • Brother of a parent or the husband of your aunt

brand

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US / brænd /

UK / brænd /

A2
  • noun
  • A mark burned on an animal to show who owns it
  • Product made or designed by a named company
  • verb
  • To burn a mark on an animal to show who owns it
  • To describe someone as a liar, coward, etc.
  • To give a famous name to a product or service

literally

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US / ˈlɪtərəli /

UK / ˈlɪtərəli /

B1
  • adverb
  • So as to express the exact meaning of something
  • Used to say something is true, even if unlikely

resident

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US / ˈrezɪdənt /

UK / ˈrɛzɪdənt, -ˌdɛnt /

B1
  • adjecitve
  • Someone who lives in a particular place
  • noun
  • Trainee doctor who works/lives in a hospital

help

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US / help /

UK / hɛlp /

A1
  • noun
  • Something given to enable a person to do something
  • Assistance given to someone in need
  • Someone who makes something easier or possible
  • verb
  • To act to enable a person to do something; assist
  • To make something better or less difficult

battle

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US / 'bætl /

UK / ˈbætl /

A2
  • noun
  • Military fight between armies
  • Working hard to stop something; struggle
  • verb
  • To fight or struggle against someone or something
  • To work hard to stop something; struggle

certainly

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US / ˈsə:tnli /

UK / ˈsɚtnli /

A1
  • adverb
  • Sure; of course

hot

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US / hɒt /

UK / hɑ:t /

A1
  • adjecitve
  • Angry or excited
  • Being very good at something
  • Having a high temperature
  • Popular and causing a great deal of excitement
  • Attractive in a sexually exciting way
  • (Of food) very spicy
  • Stolen; dangerous to buy or trade in

murderous

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US / 'mɜ:dərəs /

UK / ˈmədərəs /

B1
  • adjecitve
  • That results in death(s)

from

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US / frəm /

UK / frʌm, frɑm,frəm /

A1
  • preposition
  • Starting at a particular place, time or level

major

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US / 'meɪdʒə(r) /

UK / ˈmedʒɚ /

A2
  • adjecitve
  • Main league; esp. referring to American baseball
  • Important, serious, or large in scope, size
  • noun
  • High-ranking officer in the army
  • Main subject you study at university
  • verb
  • To study a particular subject at university

another

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US / əˈnʌðə(r) /

UK / əˈnʌðɚ /

A1
  • adjecitve
  • One more, but not this
  • determiner
  • One more added
  • pronoun
  • One more (thing)

over

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US / 'əʊvə(r) /

UK / ˈovɚ /

A1
  • adverb
  • Finished; no longer happening
  • Towards the ground/away from a standing position
  • noun
  • A set of six consecutive balls bowled in cricket
  • other
  • Finished
  • preposition
  • Showing the relation when a thing is above another
  • On or covering something
  • Above or across something
  • More than you need
  • From one side to the other
  • In the direction of; toward

decide

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US / dɪ'saɪd /

UK / dɪˈsaɪd /

A2
  • verb
  • To make a choice or choose after thinking about it
  • To make a legal judgment in court
  • to affect the result of something

organelle

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US / ˌɔ:gə'nel /

UK / ˌɔ:gə'nel /

A1
  • noun
  • Specialized part of a cell; analogous to an organ

train

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US / treɪn /

UK / tren /

A1
  • noun
  • Line of people, animals moving the same direction
  • Vehicle that carries people and runs on rails
  • Long rear section of a (e.g. wedding) dress
  • Series of events happening one after another
  • verb
  • To teach a pet a behavior or a trick
  • To educate someone in something, e.g. medicine
  • To cause a plant to grow a certain way by cutting
  • To point a certain way or toward something
  • To practice to get better at a thing, e.g. sports

vaccination

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US / ˌvæksɪ'neɪʃn /

UK / ˌvæksəˈneʃən /

B2
  • noun
  • Type of injection to prevent getting a disease

and

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US / ənd /

UK / ənd, ən,ænd /

A1
  • conjunction
  • Used to refer to two or more things
  • Plus; in addition; on top of that
  • Used to introduce an action that follows another

far

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US / fɑ:(r) /

UK / fɑr /

A1
  • adjecitve
  • A long way away
  • Being a long way away
  • adverb
  • To a large degree or extent

base

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US / beɪs /

UK / bes /

A2
  • noun
  • Place military personnel live, train, and operate
  • Bottom part of an object that touches a surface
  • Unit of counting, e.g. 10 for counting
  • Most important idea or ingredient to add others
  • Origin or start from which something came
  • Main place where an organization or a person works
  • verb
  • To use as the starting point or origin for
  • To have as the main location for (company, etc.)

call

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US / kɔ:l /

UK / kɔl /

A1
  • noun
  • A order or request for action
  • The sound an animal makes, often when in danger
  • A correct prediction, e.g. a decision in a game
  • A short visit to a place or person
  • A decision by a referee or umpire in a game
  • verb
  • To make a request or order for action
  • (Animal) to make sounds to warn of danger
  • To announce the date of an election
  • To make a judgment about something
  • To give someone or something a name
  • To guess in advance the result or outcome
  • To visit a place or person for a short time
  • To phone someone
  • To speak, announce or shout in a loud voice

possibility

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US / ˌpɒsə'bɪlətɪ /

UK / ˌpɑsəˈbɪlɪti /

A2
  • noun
  • Something with a chance of happening or being true

back

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US / bæk /

UK / bæk /

A1
  • adjecitve
  • Farthest from the front e.g. in a classroom
  • adverb
  • Have returned to a place you were before
  • noun
  • The part of a chair that the upper body leans upon
  • Location at the rear of something
  • The reverse of side something
  • Area on the rear of your body
  • verb
  • To bet money on something
  • To go backwards in a car
  • To support and encourage someone or some cause

two

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US / tu: /

UK / tu /

A1
  • number
  • 2

trick

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US / trɪk /

UK / trɪk /

A2
  • adjecitve
  • Not reliable; likely to deceive you
  • noun
  • Act of trying to fool someone
  • Quick or skillful way of doing something
  • Something done to make someone laugh
  • verb
  • To fool someone in order to obtain a result
  • To playfully tease or fool to make someone laugh

prepare

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US / prɪˈpeə(r) /

UK / prɪˈper /

A1
  • verb
  • To make something ready for use

intelligence

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US / ɪn'telɪdʒəns /

UK / ɪnˈtɛlədʒəns /

A2
  • adjecitve
  • Of the spying services; acting in secrecy
  • noun
  • Collection of secret information about something
  • Ability to learn things or to consider situations

gift

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US / gɪft /

UK / ɡɪft /

A2
  • noun
  • Something given to another for a reason; present
  • Special skill or natural ability to do something

europe

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US / ˈjʊərəp /

UK / ˈjʊrəp /

A1
  • noun
  • A continent including Germany, France and Spain
  • other
  • The second smallest continent (actually a vast peninsula of Eurasia); the British use 'Europe' to re

until

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US / ənˈtɪl /

UK / ʌnˈtɪl /

A1
  • conjunction
  • Up to; to a time when something happens
  • preposition
  • Before (a specific time)

effort

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US / ˈefət /

UK / ˈɛfət /

A2
  • noun
  • Amount of work used trying to do something

quietly

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US / 'kwaɪətlɪ /

UK / ˈkwaɪətlɪ /

A1
  • adverb
  • In a quiet manner; making little sound or fuss

forever

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US / fər'evə(r) /

UK / fɔrˈɛvɚ, fə- /

B1
  • adverb
  • For all future time; in the future

come

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US / kʌm /

UK / kʌm /

A1
  • verb
  • To arrive at a place
  • (Of mail) to be delivered
  • To move toward someone; go with someone
  • To reach a certain point or state

version

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US / ˈvə:ʃən /

UK / ˈvɚʒən, -ʃən /

A2
  • noun
  • Different way that someone interprets something
  • New or different form of something
  • An updated form of some software

name

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US / neɪm /

UK / nem /

A1
  • noun
  • What something or someone is called
  • verb
  • To state what someone is called, e.g. John

out

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US / aʊt /

UK / aʊt /

A1
  • adverb
  • No longer stylish (e.g. fashion)
  • Away from home, business, or the usual place
  • In a direction/movement away from inside or center
  • noun
  • Act when a batter cannot continue playing
  • verb
  • To tell people a secret

normally

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US / ˈnɔ:məli /

UK / ˈnɔːrməli /

B1
  • adverb
  • In the manner that is usual or ordinary

droplet

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US / ˈdrɒplət /

UK / ˈdrɑ:plət /

B1
  • noun
  • Small drop

interferon

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US / ˌɪntəˈfɪərɒn /

UK / ˌɪntərˈfɪrɑːn /

A1
  • noun
  • Antiviral protein produced by cells that have been invaded by a virus; inhibits replication of the v

ancient

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US / 'eɪnʃənt /

UK / ˈenʃənt /

A2
  • adjecitve
  • Very old; having lived a very long time ago

overwhelm

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US / ˌəʊvəˈwelm /

UK / ˌoʊvərˈwelm /

B1
  • verb
  • To defeat something or someone completely
  • To affect someone emotionally in a strong way
  • To cause to have too much to handle (e.g. work)

invade

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US / ɪnˈveɪd /

UK / ɪnˈved /

B1
  • verb
  • To enter something causing a harmful result

complex

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US / 'kɒmpleks /

UK / kəmˈplɛks, ˈkɑmˌplɛks /

A2
  • adjecitve
  • Not being simple; having many parts or aspects
  • noun
  • Group of buildings all used for the same purpose
  • Psychological issue regarding self-image

most

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US / məʊst /

UK / most /

A1
  • adverb
  • Very; extremely
  • Greatest possible degree
  • pronoun
  • Nearly all of something

swell

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US / swel /

UK / swɛl /

B1
  • noun
  • Being overcome from feeling a strong emotion
  • Act of growing in size or increasing in number
  • The size of the waves (surfing)
  • verb
  • To feel overcome due to a strong emotion
  • To increase in size or number larger than normal
  • To become larger than normal, often due to injury

local

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US / ˈləʊkl /

UK / ˈloʊkl /

A2
  • adjecitve
  • Relating to a particular area, city, or town
  • noun
  • Bus or train, that stops at most stations
  • People who live in the area being discussed
  • The pub you most frequently go to

clean

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US / kli:n /

UK / klin /

A1
  • adjecitve
  • Not marked in any way; blank
  • Done according to the rules or standards; fair
  • Free from disease or sickness
  • Being free from dirt or marks; washed
  • Behaving well; not breaking any rules; legal
  • adverb
  • Completely; entirely
  • verb
  • To make free from dirt or marks; washed
  • To make neat and orderly e.g. a room
  • To remove the inner parts of an animal

neutrophil

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US / ˈnjuːtrəˌfɪl /

UK / ˈnjʊtrəfɪl /

A1
  • noun
  • Chief phagocytic leukocyte; stains with either basic or acid dyes

series

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US / ˈsɪəri:z /

UK / ˈsɪriz /

A1
  • noun
  • Set of stories or articles on a particular subject
  • other
  • Number of things that happen one after another

after

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US / 'ɑ:ftə(r) /

UK / ˈæftɚ /

A1
  • adverb
  • Later than another time, or behind something
  • conjunction
  • Following something before
  • preposition
  • When an event happened or time has passed

write

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US / raɪt /

UK / raɪt /

A1
  • verb
  • To compose letters and words on paper or a screen
  • To invent or create a computer program
  • To create a song or piece of music

sort

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US / sɔ:t /

UK / sɔrt /

A1
  • noun
  • Group or class of similar things or people
  • verb
  • To organize things by putting them into groups
  • To deal with things in an organized way

global

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US / ˈgləʊbl /

UK / ˈgloʊbl /

A2
  • adjecitve
  • Concerning, involving, affecting all of something
  • Of, affecting, or involving the entire world

science

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US / 'saɪəns /

UK / ˈsaɪəns /

A2
  • noun
  • Study of the physical world, based on facts

true

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US / tru: /

UK / tru: /

A1
  • adjecitve
  • Agreeing with the facts; not false; real or actual

mild

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US / maɪld /

UK / maɪld /

A2
  • adjecitve
  • Gentle in nature or behavior
  • Being neither too cold nor too hot

too

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US / tu: /

UK / tu /

A1
  • adverb
  • In addition, also; with emphasis
  • Say that something is more than you want

haunt

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US / hɔ:nt /

UK / hɔnt, hɑnt /

B2
  • noun
  • Place that a person repeatedly goes to or visits
  • verb
  • To remain in the mind causing worry, sadness, pain
  • (Of ghosts, etc.) to stay in a place after death
  • To stay with you in the future and cause problems

violent

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US / ˈvaɪələnt /

UK / ˈvaɪələnt /

A2
  • adjecitve
  • Done with force; likely to produce physical damage

india

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US / 'ɪndɪə /

UK / ˈɪndɪə /

A1
  • proper noun
  • A country in southern Asia that occupies the greater part of the Indian subcontinent; population 1,3

third

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US / θɜ:d /

UK / θɜ:rd /

A1
  • adjecitve
  • 3rd: Number after second

compel

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US / kəm'pel /

UK / kəmˈpɛl /

B1
  • verb
  • To force someone to do something

point

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US / pɔɪnt /

UK / pɔɪnt /

A1
  • noun
  • An item to be discussed
  • Small spot or dot
  • Fact or detail
  • Feature of something
  • The size of the text on a page or screen
  • A certain time or stage in a process
  • Certain position in time or space
  • Idea or fact you try to convince people about
  • Measurement of scores in a game, sport
  • Sharp end of something, e.g. a pen or pin
  • verb
  • To face a certain direction, e.g. north
  • To indicate something with your finger to others

while

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US / waɪl /

UK / hwaɪl, waɪl /

A1
  • conjunction
  • In spite of the fact that; although
  • During the time that; at the same time
  • noun
  • Short amount of time

should

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US / ʃʊd /

UK / ʃʊd /

A1
  • other
  • Used to indicate what is proper or reasonable

continue

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US / kən'tɪnju: /

UK / kənˈtɪnju /

A1
  • verb
  • To do something without stopping, or after pausing
  • To start doing again after a break, pause, or stop

realize

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US / 'ri:əlaɪz /

UK / ˈriəˌlaɪz /

A1
  • verb
  • To become aware of or understand mentally

lose

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US / lu:z /

UK / luz /

A1
  • verb
  • To be unable to keep in check or control something
  • To decrease in value or quantity (e.g. weight)
  • To stop having certain qualities or abilities
  • To stop having or being entitled to
  • To fail to win something that is being contested
  • To be unable to find something you once had
  • To be dependent on someone (used with 'not')

strike

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US / straɪk /

UK / straɪk /

A2
  • noun
  • A punch or hit
  • Fact of not hitting the ball when playing baseball
  • Refusal to work to get more pay, protest something
  • verb
  • To hit something
  • To suddenly become (e.g. rich)
  • To have an idea occur to you

fluid

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US / 'flu:ɪd /

UK / ˈfluɪd /

B2
  • adjecitve
  • A material that can easily flow, e.g. water
  • Able to move smoothly or gracefully
  • Changing often and without warning
  • noun
  • Liquid that flows smoothly, such as water

million

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US / ˈmɪljən /

UK / ˈmɪljən /

A1
  • number
  • 1,000,000

safe

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US / seɪf /

UK / sef /

A2
  • noun
  • Metal box with a lock to keep valuable things in
  • adjecitve
  • Highly likely
  • Being out of danger

eat

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US / i:t /

UK / it /

A1
  • verb
  • To put food in your mouth

use

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US / ju:s /

UK / ju:s /

A1
  • noun
  • Ability to employ something
  • Need to enable it to work
  • Permission to do something with something
  • Act of spending money
  • Operation of a machine for its function
  • verb
  • To have; to eat, drink, consume etc.
  • To need to operate or work
  • To operate a machine, e.g. a computer
  • To treat a person badly
  • To do something with, for a task or purpose

sure

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US / ʃʊə(r) /

UK / ʃʊr /

A1
  • adjecitve
  • Having no doubts about something
  • Have confidence in your own words or actions
  • Firmly established or held; being firm or stable
  • Being correct or true
  • adverb
  • What you say to agree willingly

attack

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US / ə'tæk /

UK / əˈtæk /

A2
  • noun
  • Act intended to hurt someone physically, mentally
  • verb
  • To try to destroy, beat, or injure

market

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US / ˈmɑ:kɪt /

UK / ˈmɑ:rkɪt /

A1
  • noun
  • Need or demand for a particular product or service
  • Area or region where a certain product is sold
  • Public event where people sell goods on tables
  • Institution where stocks are bought and sold
  • verb
  • To publicize products to get you to buy; advertise

day

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US / deɪ /

UK / de /

A1
  • noun
  • A period of 24 hours beginning at midnight
  • The period of time when it is light outside
  • Person's name

appear

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US / ə'pɪə(r) /

UK / əˈpɪr /

A1
  • verb
  • To be seen, become visible; come into sight
  • To seem to be
  • To act in a play, movie, or be mentioned in media

contract

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US / 'kɒntrækt /

UK / 'kɑ:ntrækt /

A1
  • noun
  • Legal agreement, e.g. for doing work for money
  • Agreement to pay someone to kill a person
  • verb
  • To become ill as a result of getting a disease
  • To make an agreement for doing work for money
  • To reduce in size, length due to heat loss
  • To reduce the amount of

here

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US / hɪə(r) /

UK / hɪr /

A1
  • adverb
  • In this place; at this location, position or time

eradicate

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US / ɪˈrædɪkeɪt /

UK / ɪˈrædɪˌket /

B2
  • verb
  • To remove or destroy something completely

probably

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US / ˈprɒbəbli /

UK / ˈprɑbəbli /

A1
  • adverb
  • That is likely to happen or be true

poster

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US / 'pəʊstə(r) /

UK / ˈpostɚ /

B1
  • noun
  • A large, printed notice or picture
  • Someone who writes and shares messages on online

will

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US / wɪl /

UK / wɪl /

A1
  • noun
  • Desire or choice of someone
  • Document saying who gets your money when you die
  • Strong desire to do something; determination
  • Desire to do something; strong wish to do
  • other
  • Used with verbs to express the future
  • verb
  • To leave property to someone after your death
  • To use mental effort to make something happen
  • Am (is, are) likely to do
  • To influence someone to do something
  • To make something happen by strongly wanting it

among

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US / əˈmʌŋ /

UK / əˈmʌŋ /

A1
  • preposition
  • In the center of several things

immediately

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US / ɪˈmi:diətli /

UK / ɪˈmidiɪtli /

A1
  • adverb
  • Without any delay; straight away

countless

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US / ˈkaʊntləs /

UK / ˈkaʊntlɪs /

B1
  • adjecitve
  • Being too many to be numbered or imagined

new

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US / nju: /

UK / nu, nju /

A1
  • adjecitve
  • Not old, recently born, built or made
  • Being or doing something for the first time
  • Not felt, seen or known previously
  • Having been recently bought or obtained

transmitter

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US / trænsˈmɪtə(r) /

UK / trænsˈmɪtɚ, trænz- /

B1
  • noun
  • Tower used to transmit radio waves and messages

ever

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US / 'evə(r) /

UK / ˈɛvɚ /

A1
  • adverb
  • At any time; at all times in the future

once

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US / wʌns /

UK / wʌns /

A1
  • adverb
  • One time; one instance
  • At a time in the past
  • conjunction
  • When; as soon as

small

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US / smɔ:l /

UK / smɔl /

A1
  • adjecitve
  • Little in size; not big
  • (Of letters) not written in capital letters
  • Being insignificant or minor
  • (Of a business) with few people or things; local
  • (Of voice) being soft and quiet
  • (Of a child) being young

burn

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US / bɜ:n /

UK / bɚn /

A1
  • noun
  • Damage from fire or heat
  • verb
  • To destroy with fire
  • To feel pain and heat
  • To use as fuel for a fire to make light or heat
  • To overcook food with too much heat it goes black

survival

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US / səˈvaɪvl /

UK / sɚˈvaɪvəl /

A2
  • noun
  • Act of continuing to exist when facing difficulty

survivor

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US / səˈvaɪvə(r) /

UK / sərˈvaɪvə(r) /

A2
  • noun
  • Person, thing that continues to live or exist

inside

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US / ˌɪn'saɪd /

UK / ɪnˈsaɪd, ˈɪnˌsaɪd /

A2
  • adjecitve
  • Being in something
  • Being in a building
  • adverb
  • Into a house; indoors
  • noun
  • Inner part or surface of something

population

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US / ˌpɒpjuˈleɪʃn /

UK / ˌpɑpjəˈleʃən /

A2
  • noun
  • Number of people who live in a country, area etc.

contain

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US / kənˈteɪn /

UK / kənˈten /

A2
  • verb
  • To keep something from spreading
  • To hold something inside something else

itself

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US / ɪtˈself /

UK / ɪtˈsɛlf /

A1
  • pronoun
  • Referring to it

declare

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US / dɪ'kleə(r) /

UK / dɪˈklɛr /

A2
  • verb
  • To make a statement in a strong and confident way
  • To show the cost of things purchased overseas
  • To say something in an official or sure way

either

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US / ˈaɪðə(r) /

UK / ˈiðɚ, ˈaɪðɚ /

A1
  • adjecitve
  • One of two (used when there is a choice of two)
  • adverb
  • (After negative statements) likewise, in addition
  • conjunction
  • Used as the first of two connected things
  • determiner
  • Used as the first of two connected things
  • pronoun
  • The one or the other

relate

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US / rɪ'leɪt /

UK / rɪˈlet /

A2
  • verb
  • To demonstrate a logical relationship between
  • To understand or sympathize with, e.g. a problem
  • To tell a story, or tell about a particular event

fail

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US / feɪl /

UK / fel /

A1
  • noun
  • A mark on a test showing you did not pass
  • verb
  • To be unsuccessful in passing a class or exam
  • To not do or provide something that is needed
  • To stop working or functioning; to break down
  • To not achieve a goal, or to go wrong

thousand

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US / ˈθaʊznd /

UK / ˈθaʊzənd /

A1
  • number
  • Number 1,000

side

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US / saɪd /

UK / saɪd /

A1
  • adjecitve
  • In addition to the central or most important thing
  • Next to, or very close to, the right or left of
  • noun
  • Position or opinion that is opposite to another
  • Right or left part of a person's body
  • Feature of someone's personality
  • Straight edge of an object
  • One of two or more groups fighting each other
  • verb
  • To decide to agree with one point, not the other

patient

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US / 'peɪʃnt /

UK / ˈpeʃənt /

A2
  • adjecitve
  • Not getting annoyed when things take a long time
  • noun
  • Person who receives medical treatment or care

scab

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US / skæb /

UK / skæb /

C1
  • noun
  • Person who works while other employees strike
  • Hard layer of dried blood that forms over a wound

alone

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US / ə'ləʊn /

UK / əˈlon /

A1
  • adjecitve
  • Apart from others
  • Without equal
  • adverb
  • Without anyone or anything else

chemical

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US / ˈkemɪkl /

UK / ˈkɛmɪkəl /

A2
  • adjecitve
  • Made of various elements
  • noun
  • Basic substance produced by mixing elements

spectre

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US / 'spektə(r) /

UK / ˈspɛktɚ /

B2
  • noun
  • Mental representation of some haunting experience

effective

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US / ɪˈfektɪv /

UK / ɪˈfɛktɪv /

A1
  • adjecitve
  • Working efficiently to produce a desired result

you

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US / jʊ /

UK / ju /

A1
  • pronoun
  • Person someone is speaking or writing to
  • Person or people in general

little

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US / 'lɪtl /

UK / ˈlɪtl /

A1
  • adjecitve
  • Being short in length of time
  • Not great in size, amount, or degree; small
  • Being very young or younger than others
  • adverb
  • By an amount or degree that is not very much
  • Not often; rarely
  • noun
  • A person's name

arm

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US / ɑ:m /

UK / ɑrm /

A1
  • noun
  • Part of your body from your shoulder to your hand
  • A branch of another object e.g. company
  • The side part of a chair where your arms go
  • The influence or power an authority has
  • verb
  • To activate a weapon or bomb for use
  • To give a gun or other weapon to a person or group

ape

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US / eɪp /

UK / ep /

B1
  • noun
  • Animal related to monkeys and humans

year

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US / jə: /

UK / jɪr /

A1
  • noun
  • Unit of time equal to 12 months or 365 or 366 days
  • Used to refer to the age of a person

order

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US / 'ɔ:də(r) /

UK / ˈɔrdɚ /

A1
  • noun
  • Religious or social group, as of nuns
  • Instructions to others to do what you want
  • State in which things are neat and organized
  • What you ask to buy, e.g. food in restaurant
  • Social or political control of an area
  • verb
  • To put things in a sequence, e.g. a, b, c
  • To give instructions to others to do what you want
  • To ask for something you want to buy, e.g. a meal

shop

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US / ʃɒp /

UK / ʃɑ:p /

A1
  • noun
  • Place to learn how to fix or make things; class
  • Place where things are fixed or repaired, e.g. cars
  • Place which sells things
  • verb
  • To look for or buy goods or services

egyptian

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US / ɪ'dʒɪpʃn /

UK / ɪˈdʒɪpʃən /

A1
  • adjecitve
  • Concerning the culture and people of Egypt
  • noun
  • Person from Egypt

natural

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US / ˈnætʃərəl /

UK / ˈnætʃərəl, ˈnætʃrəl /

A1
  • adjecitve
  • Being as one would expect; being usual or normal
  • Not made by humans; without human intervention

also

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US / 'ɔ:lsəʊ /

UK / ˈɔlso /

A1
  • adverb
  • In addition; too; in a similar way

open

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US / 'əʊpən /

UK / ˈopən /

A1
  • adjecitve
  • Available for use; accessible
  • Not being hidden; available for others to see
  • Being available for customers to enter or use
  • Allowing everyone to use or take part in
  • Not secret anymore
  • Not closed or shut
  • Willing to accept new ideas and thoughts
  • noun
  • Name for a tennis or golf competition
  • verb
  • To make accessible or able to be used, e.g. road
  • To start the activities or services of a business
  • To make a space or hole appear in something
  • To move or change so that it is no longer closed
  • To start something, e.g. a new business

body

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US / ˈbɒd.i /

UK / ˈbɑdi /

A1
  • noun
  • An object distinct from other objects
  • A group of people involved in an activity together
  • Main part of something
  • A person's physical self

truly

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US / 'tru:lɪ /

UK / ˈtruli /

A2
  • adverb
  • In accordance with truth, fact or reality; really

interfere

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US / ˌɪntə'fɪə(r) /

UK / ˌɪntɚˈfɪr /

B1
  • verb
  • To get involved in something not your business

mobile

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US / 'məʊbaɪl /

UK / ˈmoʊbl /

B1
  • adjecitve
  • Able to be moved or able to move
  • noun
  • Personal phone you take with you wherever you go

how

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US / haʊ /

UK / haʊ /

A1
  • adjecitve
  • To what degree? in what amount?
  • adverb
  • (Used to explain the way to do something)
  • exclamation
  • For what purpose or reason?
  • (Used to ask someone or something's condition)

bad

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US / bæd /

UK / bæd /

A1
  • adjecitve
  • Not good; wrong
  • Lacking in good morals; evil
  • No longer fresh; spoiled

able

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US / 'eɪbl /

UK / ˈebəl /

A2
  • adjecitve
  • Skilled; good at something
  • Having the ability to do something

suggest

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US / səˈdʒest /

UK / səɡˈdʒɛst, səˈdʒɛst /

A1
  • verb
  • To mention something that could be done; propose

love

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US / lʌv /

UK / lʌv /

A1
  • noun
  • Person's name
  • A very strong feeling of affection
  • The person you care very deeply about
  • Strong, deep emotional and sexual attraction
  • verb
  • To care for and like someone very strongly, deeply
  • To like doing very much; enjoy greatly
  • To feel a strong emotional and romantic attraction

this

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US / ðɪs /

UK / ðɪs /

A1
  • adjecitve
  • Used to indicate something already been discussed
  • Used to indicate something happening around now
  • adverb
  • An indication by a physical motion or gesture
  • A specific amount of
  • determiner
  • Person, thing, or idea near you
  • pronoun
  • Person, thing that has already been discussed

ready

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US / 'redɪ /

UK / ˈrɛdi /

A1
  • adjecitve
  • Being likely or about to do something
  • Being willing to do a task
  • verb
  • To prepare something for use or action

cowpox

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US / ˈkaʊpɒks /

UK / ˈkaʊpɑ:ks /

A1
  • noun
  • Viral skin disease of cattle affecting the udder

live

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US / lɪv /

UK / liv /

A1
  • adjecitve
  • Being broadcast as events happen, not recorded
  • Carrying electric current; able to give a shock
  • Glowing because burning; hot
  • Not yet killed (for food)
  • adverb
  • (Music, drama) as it is performed
  • verb
  • To be alive
  • To experience a particular type of life
  • To make your home in a house or town

entire

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US / ɪn'taɪə(r) /

UK / ɛnˈtaɪr /

A2
  • adjecitve
  • Complete or full; with no part left out; whole

deadly

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US / ˈdedli /

UK / ˈdɛdli /

A2
  • adjecitve
  • Causing or capable of causing death
  • Being very accurate

may

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US / meɪ /

UK / me /

A1
  • noun
  • 5th month of the year
  • other
  • Used to express a desire
  • Expresses permission, possibility or probability
  • Used to show that a thing could be true

unfortunately

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US / ʌnˈfɔ:tʃənətli /

UK / ʌnˈfɔːrtʃənətli /

B1
  • adverb
  • In a way that is to be regretted; unluckily

wet

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US / wet /

UK / wɛt /

A1
  • adjecitve
  • Concerning a bar that serves or sells alcohol
  • Having or experiencing a great deal of rain
  • Containing water or liquid; not dry
  • verb
  • To accidentally pee in clothes or a bed

fit

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US / fɪt /

UK / fɪt /

A2
  • adjecitve
  • Good looking; physically attractive
  • Proper or acceptable; morally or socially correct
  • noun
  • Sudden loss of body control; attack (of crying)
  • verb
  • To install a machine, equipment etc.
  • To adjust or change to the right size or shape
  • To be the right size and shape that you want

might

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US / maɪt /

UK / maɪt /

A1
  • other
  • Used to politely request an action
  • Used to express that something could happen
  • Power, strength, force or influence

let

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US / let /

UK / lɛt /

A1
  • verb
  • To allow someone to do something
  • Introducing a suggestion to do something together
  • To rent a house, etc. to others

seek

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US / si:k /

UK / sik /

A2
  • verb
  • To ask someone for help
  • To search for; try to find or do; look for
  • To try to achieve something

defence

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US / dɪˈfens /

UK / dɪˈfɛns /

B1
  • noun
  • The process of protecting something from attack

neutrophils

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US / /

UK / /

A1
  • other

fine

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US / faɪn /

UK / faɪn /

A2
  • adjecitve
  • Good, acceptable or satisfactory
  • Of high quality; made with great skill
  • In a careful or exact manner; into small pieces
  • Being of high quality
  • Good; okay; no problem
  • (Of weather) good; not raining
  • noun
  • Money you have to pay because you broke a rule
  • verb
  • To pay money because you broke a law

power

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US / 'paʊə(r) /

UK / ˈpaʊɚ /

A1
  • noun
  • Legal or official right to perform certain actions
  • Ability to move forcefully and quickly
  • Energy of something (e.g. electricity or fuel)
  • Mathematical way to multiply a number
  • Condition of being in political control
  • Physical force, energy, and strength
  • verb
  • To give energy to something, e.g. by electricity
  • To move something forcefully and quickly

the

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US / ðə /

UK / ðə /

A1
  • article
  • Used to refer to something already mentioned
  • Used to show there is only one of something
  • determiner
  • Used to describe all of a family

lead

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US / li:d /

UK / lid /

A1
  • adjecitve
  • Being the main part in movies or plays
  • noun
  • Wire for electricity, computer, etc.; cable
  • Information that could help to solve a crime
  • Main part in a play or movie
  • Heavy, gray metal element
  • Rope used to tie something to stop it escaping
  • Act of being at the front in a race or game
  • verb
  • To show the way or guide others
  • To be at the front of a race or game
  • To travel in front of; go in advance of others

james

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US / dʒeimz /

UK / dʒemz /

A1
  • proper noun
  • The name of seven Stuart kings of Scotland.
  • The name of two kings of England, Ireland, and Scotland.

immune

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US / ɪˈmju:n /

UK / ɪˈmjoon /

B1
  • adjecitve
  • Having a special protection from, e.g. the law

encircle

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US / ɪnˈsɜ:kl /

UK / ɪnˈsɜ:rkl /

B1
  • verb
  • To surround on all sides

one

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US / wʌn /

UK / wʌn /

A1
  • pronoun
  • You; we; people in general; someone
  • The thing or person previously referred to
  • adjecitve
  • Used to refer to people generally
  • Being a strong example of (something mentioned)
  • number
  • Number 1

material

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US / məˈtɪəriəl /

UK / məˈtɪriəl /

A2
  • adjecitve
  • Relevant; (of evidence) important or significant
  • Belonging to the world of physical things
  • noun
  • Cloth; fabric
  • Supplies or data needed to do a certain thing
  • Substance from which a thing is made of

vomit

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US / ˈvɒmɪt /

UK / ˈvɑ:mɪt /

B2
  • noun
  • Food coming back up from stomach, due to illness
  • verb
  • To bring (blood, etc.) up and out of mouth

ones

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US / wʌnz /

UK / wʌnz /

A1
  • number
  • Number 1, a single person or thing

kurzgesagt

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US / /

UK / /

A1

starve

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US / stɑ:v /

UK / stɑ:rv /

B1
  • verb
  • To (cause to) be hungry or go without food
  • To need or desire very strongly
  • Not to give someone what they need, e.g. attention
  • To (cause to) die from lack of food

clot

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US / klɒt /

UK / klɑ:t /

B2
  • noun
  • Mass of blood, etc. that has dried up/become thick
  • verb
  • To make a liquid such as blood turn thick or solid

person

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US / 'pɜ:sn /

UK / 'pɜ:rsn /

A1
  • noun
  • Man, woman or child

make

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US / meɪk /

UK / mek /

A1
  • noun
  • Product made by a particular company; brand
  • verb
  • To arrange or prepare something e.g. dinner
  • To get to (a place) on time
  • To gain the status of (teacher, lawyer, etc.)
  • To create something by putting things together
  • To earn a certain amount of money at a job
  • To cause or force a person to do something
  • To cause something to happen or be formed

critical

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US / ˈkrɪtɪkl /

UK / ˈkrɪtɪkəl /

A2
  • adjecitve
  • Making a negative judgment of something
  • Being important or serious; vital; dangerous
  • Most important part

other

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US / 'ʌðə(r) /

UK / ˈʌðər /

A1
  • adjecitve
  • A thing different from that mentioned
  • determiner
  • (Something) else; not the first (one)
  • pronoun
  • Being the one and only thing of that category

into

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US / 'ɪntə /

UK / ˈɪntu /

A1
  • preposition
  • Moving or going inside something
  • In the same direction as; in the direction of
  • So as to become; taking the state of

molecular

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US / mə'lekjələ(r) /

UK / məˈlɛkjəlɚ /

B2
  • adjecitve
  • About or caused by molecules

convey

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US / kən'veɪ /

UK / kənˈve /

B1
  • verb
  • To carry or transport something
  • To make aware or tell others information
  • Law to transfer property legally between people

humanity

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US / hju:ˈmænəti /

UK / hjuˈmænɪti /

A2
  • noun
  • Quality of being understanding or sympathetic
  • Human race as one group of people

efficient

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US / ɪˈfɪʃnt /

UK / ɪˈfɪʃənt /

A2
  • adjecitve
  • Able to produce results without waste

fever

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US / 'fi:və(r) /

UK / ˈfivɚ /

B1
  • noun
  • A high body temperature, indicating illness
  • State of excited emotion or activity

home

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US / həʊm /

UK / hom /

A1
  • adjecitve
  • A sports team's own field or place of play
  • adverb
  • Into the correct or intended position
  • noun
  • House, apartment or building to be rented or sold
  • Institution for sick or elderly people
  • Place where a person or a family lives
  • Country where a person lives or was born
  • Region that is native to peoples, plant or animals
  • verb
  • To move towards a particular target location

hunt

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US / hʌnt /

UK / hʌnt /

A2
  • noun
  • A search for animals to kill for food
  • Person's name
  • verb
  • To search for wild animals to kill (for food)
  • To look for very carefully; search for

destroy

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US / dɪ'strɔɪ /

UK / dɪˈstrɔɪ /

A2
  • verb
  • To damage so badly that something no longer exists
  • To defeat someone or something easily
  • To kill a sick or unwanted animal

incredible

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US / ɪnˈkredəbl /

UK / ɪnˈkrɛdəbəl /

A2
  • adjecitve
  • Very good; amazing
  • Really good; amazing; great
  • Very hard to believe

news

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US / nju:z /

UK / nu:z /

A1
  • noun
  • Broadcast on radio or TV about recent events
  • Information about recent events

for

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US / fə(r) /

UK / fɔr,fə /

A1
  • preposition
  • Used to show the purpose, or need of something

begin

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US / bɪ'ɡɪn /

UK / ˈbeɡɪn /

A1
  • verb
  • To do the first part of an action; to start

possibly

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US / ˈpɒsəbli /

UK / ˈpɑ:səbli /

A1
  • adverb
  • May be true or likely, but is uncertain

threshold

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US / 'θreʃhəʊld /

UK / ˈθrɛʃˌold, -ˌhold /

B2
  • noun
  • Degree or level at which something begins

highly

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US / ˈhaɪli /

UK / 'haɪlɪ /

A1
  • adverb
  • In a manner that shows approval
  • More than usual; to a great degree

control

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US / kən'trəʊl /

UK / kənˈtrol /

A1
  • noun
  • A device designed to operate a machine
  • Participant in experiment that is left untouched
  • Act to dominate or command; make manageable
  • A law limiting the growth or spread of something
  • A place which overseas or manages e.g. a factory
  • verb
  • To direct or influence the behavior of something

why

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US / waɪ /

UK / hwaɪ, waɪ /

A1
  • adverb
  • Question word to ask for a reason
  • exclamation
  • (Used to express surprise or approval)

recover

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US / rɪ'kʌvə(r) /

UK / rɪ'kʌvər /

A2
  • verb
  • To return to a prior normal condition
  • To get back something that was lost

extremely

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US / ɪkˈstri:mli /

UK / ɪk'strimlɪ /

B1
  • adverb
  • In a way that is much more than usual or expected

victory

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US / 'vɪktərɪ /

UK / ˈvɪktəri /

B1
  • noun
  • Defeating or beating someone or something

start

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US / stɑ:t /

UK / stɑrt /

A1
  • noun
  • First time or place that a thing exists; beginning
  • First opportunity to achieve something, e.g. a job
  • Sudden action or movement because you are scared
  • other
  • Beginning of something in place or time
  • verb
  • To do, be or happen for the first time; begin
  • To turn something on

responsible

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US / rɪ'spɒnsəbl /

UK / rɪˈspɑnsəbəl /

A2
  • adjecitve
  • Being the cause of something that has occurred
  • Having the duty of dealing with something
  • Able to be trusted to do what needs to be done

mobilize

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US / 'məʊbəlaɪz /

UK / ˈmobəˌlaɪz /

B2
  • verb
  • To come together for an action or purpose

kill

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US / kɪl /

UK / kɪl /

A1
  • noun
  • Animal killed by a person or other animal
  • verb
  • To cause someone to experience a lot of pain
  • To end the life of a person or other living thing
  • To be very funny
  • To prevent something from continuing or operating
  • To do something unimportant to pass time quickly

system

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US / 'sɪstəm /

UK / ˈsɪstəm /

A1
  • adjecitve
  • Working in an organized, logical way
  • noun
  • Set of organized, planned ideas that work together

well

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US / wel /

UK / wɛl /

A1
  • adjecitve
  • Being in a fortunate, good condition or state
  • Healthy and in good condition
  • adverb
  • In an acceptable, proper, or successful manner
  • In a complete, total, or full manner
  • A great and considerable degree
  • In a successful way, in a good or satisfactory way
  • exclamation
  • Used to begin or continue a particular statement
  • Used to show you want to start saying something
  • Used to express that you are waiting for a reply
  • You say this to change the topic of a conversation
  • Used to indicate you are making a final remark
  • noun
  • Long deep hole in the ground to get water
  • verb
  • To cause your eyes to fill with tears

time

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US / taɪm /

UK / taɪm /

A1
  • noun
  • Speed at which music is played; tempo
  • Point as shown on a clock, e.g. 3 p.m
  • Number of hours, minutes needed to do something
  • Occasion when something happens
  • Period or occasion that something occurred
  • Period in history or the past
  • Something measured in minutes, hours, days, etc.
  • How long an event takes; duration
  • verb
  • To check speed at which music is performed
  • To choose a specific moment to do something
  • To measure how long an event takes, e.g. a race
  • To schedule something to occur at a specific moment

set

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US / set /

UK / sɛt /

A1
  • adjecitve
  • Prepared for something; ready
  • noun
  • Complete group of something
  • Place where a television show or movie is filmed
  • Group of games in a tennis match
  • Device that receives radio or television signals
  • verb
  • To make a clock state or ring at a particular time
  • To decide upon or choose something
  • To make something ready for use (e.g. table)
  • To decide on a price for something
  • To become hard (of glue, concrete etc.)
  • To be located in a specific place or time
  • To put (e.g. a vase) down carefully in a place
  • To put someone in a certain condition or state
  • (Of the sun) to go lower than the horizon

cellular

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US / 'seljələ(r) /

UK / ˈsɛljəlɚ /

B2
  • adjecitve
  • Concerning a cell of a living thing
  • (Of radio signals) functioning without wires

since

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US / sɪns /

UK / sɪns /

A1
  • adverb
  • At a point before the present time
  • conjunction
  • For this reason; because
  • preposition
  • From the time in the past that

light

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US / laɪt /

UK / laɪt /

A1
  • adjecitve
  • Being bright making it easy to see; not dark
  • Being pale and lacking darkness of color
  • Not heavy; weighing only a little
  • adverb
  • Carrying few bags when traveling
  • noun
  • A source of energy that makes a room or area bright
  • Way in which something or someone is understood
  • verb
  • To cause something to burn; put a burning match to
  • To provide a way to see ahead

stream

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US / stri:m /

UK / strim /

A2
  • noun
  • Classes split into ability levels
  • A small river
  • verb
  • To send a constant flow of data over the internet
  • To split classes or students into ability levels

occur

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US / əˈkɜ:(r) /

UK / əˈkɚ /

A2
  • verb
  • To come to pass or to happen

vaccine

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US / 'væksi:n /

UK / vækˈsin,ˈvækˌsin /

B2
  • noun
  • Shot using weak disease cells to stop same disease

basis

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US / ˈbeɪsɪs /

UK / ˈbesɪs /

A2
  • noun
  • Main ingredient or part of something
  • Starting situation, fact, idea to develop from

those

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US / ðəʊz /

UK / ðoz /

A1
  • determiner
  • The people or things we are talking about
  • pronoun
  • The objects far from the speaker

chaos

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US / 'keɪɒs /

UK / ˈkeˌɑs /

B1
  • other
  • State of utter confusion or disorder

through

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US / θru: /

UK / θru /

A2
  • adjecitve
  • having finished using or doing something
  • adverb
  • From the beginning of something until the end
  • preposition
  • Over, in, across an entire thing or place
  • Allowing you to pass between, or to
  • By a particular way or process; by the use of

wrestle

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US / 'resl /

UK / ˈrɛsəl /

B2
  • verb
  • To fight someone by holding parts of their body
  • To struggle with a problem

die

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US / daɪ /

UK / daɪ /

A1
  • noun
  • Cube with dots numbering 1-6 on it used in games
  • verb
  • To cease to function or work
  • (Of a thing) to stop being used or done
  • (Of a person) to stop living

cow

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US / kaʊ /

UK / kaʊ /

A2
  • noun
  • Large farm animal from which we get milk and beef
  • verb
  • To make afraid or ashamed; intimidate

such

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US / sʌtʃ /

UK / sʌtʃ /

A1
  • determiner
  • Being similar to
  • (Thing) as previously stated or referred to
  • adverb
  • (Used to emphasize the quality of an adjective)

throat

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US / θrəʊt /

UK / θroʊt /

A2
  • noun
  • Part of the neck that is below the chin

few

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US / fju: /

UK / fju /

A1
  • pronoun
  • Not many, a small number

line

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US / laɪn /

UK / laɪn /

A1
  • noun
  • Border that divides two places or regions
  • Long crease in the skin, often from age
  • Mark that is long, straight and very thin
  • Row of words, letters or numbers that are written
  • Telephone connection
  • People waiting one behind the other; queue
  • Long thin wire, e.g. for electrical signal
  • verb
  • To put material along the inside of something

much

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US / mʌtʃ /

UK / mʌtʃ /

A1
  • adjecitve
  • Very; to a high level or degree
  • adverb
  • A lot; large amount; a high degree of
  • Nearly; basically
  • On many occasions; often
  • noun
  • A large amount; a great quantity

though

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US / ðəu /

UK / ðo /

A1
  • adverb
  • Although, despite the fact that

complement

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US / ˈkɒmplɪment /

UK / ˈkɑ:mplɪment /

B1
  • noun
  • (Linguistics) set of words completing a sentence
  • Something needed to complete or make perfect
  • verb
  • To go with so as to make the whole complete

cool

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US / ku:l /

UK / kul /

A1
  • adjecitve
  • Steady and calm when facing difficulties
  • Almost cold; not warm or hot
  • Smart or stylish in a way (young) people admire
  • Unfriendly in an indirect way; distant
  • verb
  • To make something decrease in temperature
  • (Of an emotion, etc.) to become less strongly felt

individual

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US / ˌɪndɪˈvɪdʒuəl /

UK / ˌɪndəˈvɪdʒuəl /

A2
  • adjecitve
  • Made for use by one single person
  • Having a distinct manner different from others
  • noun
  • Single person, looked at separately from others

earth

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US / ɜ:θ /

UK / ɚθ /

A1
  • noun
  • Wire connecting an electrical device to the ground
  • The planet we live on
  • Soil in which we grow plants

struggle

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US / 'strʌɡl /

UK / ˈstrʌɡəl /

A2
  • noun
  • Strong efforts made to do something difficult
  • verb
  • To try very hard to do something difficult

just

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US / dʒʌst /

UK / dʒʌst /

A1
  • adjecitve
  • Proper or appropriate; as is deserved
  • Doing or being what is right or fair
  • Legally correct; having enough evidence
  • adverb
  • Almost; nearly
  • Exactly at the time of
  • Exactly (the same as, like)

hour

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US / 'aʊə(r) /

UK / aʊr /

A1
  • noun
  • 60 minutes
  • Particular time of the day
  • Fixed, regularly occurring time

scratch

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US / skrætʃ /

UK / skrætʃ /

B1
  • noun
  • Action of rubbing your skin when itchy
  • A small cut or mark on a surface
  • verb
  • To rub your skin with your nails to stop an itch
  • To make a small cut or mark on a surface

curiosity

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US / ˌkjʊərɪ'ɒsətɪ /

UK / ˌkjʊriˈɑsɪti /

B1
  • noun
  • Something unusual and perhaps worthy of collecting
  • Eager desire to learn more about something

expert

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US / 'ekspɜ:t /

UK / ˈɛkˌspɚt /

A2
  • adjecitve
  • Having special knowledge or skill
  • noun
  • Skillful person with special knowledge

fashion

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US / 'fæʃn /

UK / ˈfæʃən /

A2
  • noun
  • Style of dress or activity popular at some time
  • Industry that creates new styles of clothes
  • Way of behaving; manner
  • Trend that is popular at a given time
  • Way of doing something; manner
  • verb
  • To make things into a particular shape

horror

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US / ˈhɒrə(r) /

UK / ˈhɔrɚ, ˈhɑr- /

B1
  • noun
  • Feeling of great shock or fear; thing causing it

infectious

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US / ɪnˈfekʃəs /

UK / ɪnˈfɛkʃəs /

A2
  • adjecitve
  • Capable of transmitting disease to others
  • Able to be spread easily
  • Making others feel like laughing

lesion

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US / ˈli:ʒn /

UK / ˈliʒən /

B2
  • noun
  • Damaged area on a part of the body

remote

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US / rɪ'məʊt /

UK / rɪˈmot /

A2
  • adjecitve
  • Being far away from people, towns, etc.
  • (Of a possibility) being small or not likely
  • (Of time) far off; long ago; far in the future
  • Not friendly; separating yourself from others
  • noun
  • Radio device designed to operate TV, etc.

gather

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US / ˈgæðə(r) /

UK / ˈɡæðɚ /

A2
  • noun
  • Fold in cloth, as in a full skirt
  • verb
  • To bring objects together into one place
  • (Of liquids) To come to a head, as in boil
  • To collect foods such as wild berries or crops
  • To increase or accumulate
  • To bring people, animals together into a group
  • To activate strength, courage to prepare for task
  • To understand or believe some information

suffer

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US / 'sʌfə(r) /

UK / ˈsʌfɚ /

A2
  • verb
  • To experience pain, illness, or injury

kosovo

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US / ˈkɔ:səvəu /

UK / ˈkɔsəˌvo, ˈko- /

A1
  • proper noun
  • An autonomous area in the Balkans, formerly a part of Yugoslavia; population 1,900,000 (estimated 20

hear

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US / hɪə(r) /

UK / hɪr /

A1
  • verb
  • To be aware of sound; to perceive with the ear
  • To be told or find out information or facts
  • To consider or listen to a court case

needle

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US / 'ni:dl /

UK / ˈnidl /

B1
  • noun
  • Part of a medical device used to inject medicine
  • Very thin pointed object used in sewing
  • Thin pointed leaves of some trees, e.g. pine tree
  • verb
  • To upset someone by making rude or hurtful remarks

scar

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US / skɑ:(r) /

UK / skɑr /

B1
  • noun
  • Long lasting emotional pain from a bad experience
  • A mark on something made by scratching it
  • verb
  • To cause long lasting emotional pain
  • To leave a mark on something by scratching it

machine

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US / mə'ʃi:n /

UK / məˈʃin /

A1
  • noun
  • Piece of equipment used to do work
  • Powerful group who control and organize things
  • verb
  • To shape, work on something, using a device

notice

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US / 'nəʊtɪs /

UK / ˈnotɪs /

A1
  • noun
  • Time by when you must leave, e.g. if you are fired
  • Paper with an announcement, e.g. pinned to a board
  • verb
  • To become aware by sight, touch, or hearing

history

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US / 'hɪstrɪ /

UK / ˈhɪstəri /

A2
  • noun
  • Established pattern or record
  • Study of past events as an academic subject

full

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US / fʊl /

UK / fʊl /

A1
  • adjecitve
  • Containing all the parts; complete
  • Containing or holding as much as possible
  • Having had enough food
  • adverb
  • In a direct manner; completely

century

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US / 'sentʃərɪ /

UK / ˈsɛntʃəri /

A1
  • noun
  • Period of 100 years

pus

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US / pʌs /

UK / pʌs /

C1
  • noun
  • Yellow fluid produced from inflamed wound, etc.

without

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US / wɪˈðaʊt /

UK / wɪðˈaʊt, wɪθ- /

A1
  • preposition
  • Not with; not having

know

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US / nəʊ /

UK / noʊ /

A1
  • verb
  • To be familiar with a person or place, thing
  • To feel sure or be convinced about something
  • To discover or be aware of something
  • To be able to distinguish
  • To have knowledge of things

blood

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US / blʌd /

UK / blʌd /

A2
  • adjecitve
  • Related by birth; family
  • noun
  • Red liquid in the bodies of people and animals
  • verb
  • To be initiated into something, e.g. a secret club

part

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US / pɑ:t /

UK / pɑ:rt /

A1
  • adjecitve
  • To some degree; half; not fully
  • noun
  • Division of a book
  • Ratio of something, e.g. 3 of gin, 1 of tonic
  • A line in a person's hair, made with a comb
  • Character an actor plays on stage, movie, or TV
  • Some, but not all of a specific thing
  • Role in causing something to happen
  • verb
  • To make a line in a person's hair, by using a comb
  • To move two things apart creating a space
  • To leave someone, or to break off a relationship

adaptive

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US / ə'dæptɪv /

UK / əˈdæptɪv /

B1
  • adjecitve
  • Able to adjust to new conditions

world

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US / wɜ:ld /

UK / wɜrld /

A1
  • noun
  • All the humans, events, activities on the earth
  • Political division due to some kind of similarity

activate

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US / ˈæktɪveɪt /

UK / ˈæktəˌvet /

B1
  • verb
  • To cause to happen; cause a chemical reaction
  • To make something start working

hundred

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US / 'hʌndrəd /

UK / ˈhʌndrɪd /

A1
  • number
  • 100

curious

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US / ˈkjʊəriəs /

UK / ˈkjʊriəs /

A2
  • adjecitve
  • Wanting to know more about something
  • Attracting interest by being strange or unusual

remember

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US / rɪ'membə(r) /

UK / rɪˈmɛmbɚ /

A1
  • verb
  • To give someone a gift, e.g. birthday, wedding
  • To hold a thought in your mind to not forget it
  • To bring a previous image or idea to your mind

worldwide

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US / ˈwɜ:ldwaɪd /

UK / ˈwɚldˈwaɪd /

B1
  • adjecitve
  • Spanning or extending throughout the entire world
  • adverb

unit

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US / ˈju:nɪt /

UK / ˈjunɪt /

B2
  • noun
  • One apartment in a building
  • Group of people, e.g. soldiers, that work together
  • A chapter of a textbook
  • A standard of measurement of something
  • Single item made by a company

protect

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US / prə'tekt /

UK / prəˈtɛkt /

A1
  • verb
  • To defend someone or something from harm or danger

alive

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US / ə'laɪv /

UK / əˈlaɪv /

A2
  • adjecitve
  • Living; not dead

could

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US / kəd /

UK / kʊd /

A1
  • other
  • Past form of 'can' to mean have ability
  • Used to ask for something politely, or to offer

transmission

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US / trænsˈmɪʃn /

UK / trænsˈmɪʃən, trænz- /

B1
  • noun
  • Part of car including gears affecting speed of car
  • Electronic signal sent by radio waves; broadcast
  • Transfer of data from one machine to another
  • Transfer of money to another person or place
  • Act or process of transferring something to others

quickly

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US / ˈkwɪkli /

UK / ˈkwɪklɪ /

A1
  • adverb
  • Without taking a lot of time; fast

collaboration

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US / kəˌlæbəˈreɪʃn /

UK / kəˌlæbəˈreɪʃn /

B1
  • noun
  • Act of working with someone to complete a task

last

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US / lɑ:st /

UK / læst /

A1
  • adjecitve
  • Most recent; the latest
  • The one before
  • adverb
  • Final; with nothing following; after all others
  • Most recent; the latest
  • determiner
  • The one at the end
  • verb
  • To remain or continue for a certain period of time

inoculation

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US / ɪˌnɒkjʊ'leɪʃn /

UK / ɪˌnɑkjəˈleʃən /

C1
  • noun
  • Injection of a disease to build up immunity to it

have

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US / həv /

UK / hæv /

A1
  • verb
  • To drink, smoke, eat or use something
  • To experience the effects of something
  • To organize an event, or join in an activity
  • To own, possess, or hold something
  • To cause to happen or produce a particular effect

with

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US / wɪð /

UK / wɪð, wɪθ /

A1
  • preposition
  • As an employee of a certain company
  • Against something or someone
  • By using something as a means
  • Due to; because of
  • Including
  • Possessing as a feature
  • Related to
  • (Of the manner/attitude by which you do something)
  • Used to express that people or things are together

manage

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US / ˈmænɪdʒ /

UK / ˈmænɪdʒ /

A1
  • verb
  • To survive hardships and difficulties; to cope
  • To run or operate a business by directing others

lung

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US / lʌŋ /

UK / lʌŋ /

B1
  • noun
  • One of the two organs we use to breathe

desperation

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US / ˌdespəˈreɪʃn /

UK / ˌdɛspəˈreʃən /

A2
  • noun
  • Feeling all hope is lost and you will do anything

dangerous

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US / ˈdeɪndʒərəs /

UK / ˈdendʒərəs /

A1
  • adjecitve
  • Involving the chance of hurt or damage; risky

store

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US / stɔ:(r) /

UK / stɔr, stor /

A2
  • noun
  • Place where things are kept for future use
  • Place where you can go to buy things
  • verb
  • To put things in a place for later use

scientist

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US / ˈsaɪəntɪst /

UK / ˈsaɪəntɪst /

A2
  • noun
  • Person who is trained in a science

exist

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US / ɪɡ'zɪst /

UK / ɪɡˈzɪst /

A1
  • verb
  • To be present, alive or real

philanthropy

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US / fɪˈlænθrəpi /

UK / fɪˈlænθrəpi /

A1
  • noun
  • Giving away of money for charity

information

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US / ˌɪnfəˈmeɪʃn /

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  • Subtitles section
  • Few of the monsters that evolution created have been so successful at hurting us as the Variola virus, responsible for smallpox.
  • The carnage it caused was so terrible and merciless that it compelled humankind, for the first time, to act truly globally.
  • It was one of the greatest wins of our species over the ancient powers of nature, all made possible by cows.
  • Variola is a virus, a tiny machine that only seeks to reproduce itself.
  • Evidence of it has been found in Egyptian mummies, and in writing from India and China as old as 3,000 years.
  • 1,300 years ago, smallpox killed up to a third of Japan's population.
  • By the 1600s, it was one of the major causes of death worldwide.
  • In late 18th century Europe, it killed 400,000 a year.
  • Every third person who went blind did so because of this virus.
  • Even in the 20th century, a hot second ago in history, it still killed at least 300 million people.
  • Smallpox is an abusive monster that returns over and over and over again, killing, maiming, and disrupting societies.
  • How could Variola be so incredibly deadly for so long, and how could we have forgotten its horror so quickly?
  • In 2023, there are only two laboratories left where the living virus is officially stored for research, in Kosovo, Russia, and Atlanta, USA.
  • Which is certainly a good idea, because what could possibly go wrong?
  • Let's say that through an unfortunate series of events, the virus got out and you got infected.
  • What would happen to you?
  • How smallpox kills Variola is highly infectious and catches a ride in small droplets you breathe in.
  • Immediately, it begins to infect the cells that line your throat and starts killing them to cause chaos.
  • Why?
  • To trick your body into giving it a lift.
  • Whenever cells in your body die a violent death, your immune cells immediately stream to the site of infection to help out.
  • In this case, that backfires horribly.
  • As immune cells begin cleaning up dead cells, eating viruses, and killing infected cells, Variola infects a crucial cell of your immune system, your dendritic cells, intelligence cells that gather information and leave the battlefield to get help.
  • They enter your lymphatic system, a highway network that spans your entire body, and connects hundreds of immune bases.
  • In these bases, your heavy defenses are activated and should be the last place an enemy would want to invade, but Variola wants to get here.
  • For about 12 days, the virus quietly infects civilian and immune cells, jumping from cell to cell, infecting more and more of them.
  • At some point, a critical threshold is reached and Variola starts its attack for real.
  • Millions of viruses use the lymphatic highway to spill into your blood and organs, infecting your whole body.
  • Suddenly, Variola is everywhere.
  • But despite this global attack, your adaptive immune system is struggling to wake up.
  • Your immune cells look for and use critical transmitters called interferons to mobilize the body against viruses.
  • Interferons, as the name suggests, interfere, significantly slowing down virus infections, but also quickly activating millions of antivirus weapons.
  • But Variola is able to deactivate interferons, which stuns the antivirus side of your defense system.
  • Other systems would usually help, like the complement system, a sort of mobile minefield that can destroy viruses.
  • But Variola manages to shut this down too.
  • And so, with little resistance, Variola spreads everywhere and infects billions of your cells all over your body.
  • Among the infected are your capillaries, the smallest blood vessels in your body, which die in great numbers.
  • All this death activates an immune cell that you really don't need right now, but that's attracted by death, the neutrophil.
  • Normally, an efficient killer of invaders great and small, it's not very effective against smallpox.
  • And even worse, neutrophils fight by vomiting deadly chemicals, which kills even more of your cells.
  • On top of that, they order inflammation, fluids streaming from your blood vessels into your tissue.
  • All over your body, as first millions, then billions of your cells die, you get a rash that only gets worse and worse.
  • Pus and cellular junk fills it up as your body swells up with hundreds of lesions all over your skin and inside, even on your organs, all filled with billions of Variola viruses.
  • Now, the critical phase begins.
  • As you fight for survival, you burn up in a high fever.
  • Thousands of battlegrounds drain your blood of fluid that streams into your tissue and organs.
  • Blood clotting appears all over your body, while floods of toxins from dead cells build up and can cause organs to fail.
  • Your lungs fill up with fluid, making it harder and harder to breathe.
  • One of two things happens now.
  • Either your immune system wrestles back control, heavy weapons have been dispatched, killing infected cells, cleaning up the thousands of infections one by one, killing Variola wherever it can be found,
  • So you can slowly begin to recover.
  • The immune system will forever remember Variola, making you immune forever.
  • Or you die, overwhelmed by the infection and your immune system's panicked reaction to the body-wide infection.
  • About a third of people who contract smallpox don't survive.
  • And if you survive, you're very likely branded by scars and may even lose your eyesight or hearing.
  • For thousands of years, this terrible disease ravaged the world, leaving death and destruction, traumatized and maimed survivors.
  • Until one day, humanity said, enough.
  • Why don't we have smallpox anymore?
  • Smallpox is one of the worst diseases humanity has ever known.
  • A murderous, family-destroying, life-ruining monster.
  • There was nothing you could do for the infected, but people noticed that if you survived, you were immune.
  • So out of desperation, they came up with the dangerous practice of variolation.
  • Take scabs from an infected person that had a mild case of smallpox, let them dry out, and grind them to a fine powder.
  • Then blow the powder up the nostril of a patient or scratch their skin with it.
  • If things went well, they only got a mild version of smallpox and gained immunity against the disease.
  • Variolation probably worked because it introduced variola in a part of the body the virus wasn't prepared for, disabling most of its nasty tricks.
  • And because the inoculation was left to dry out, that damaged the virus so it couldn't cause the full disease.
  • Unfortunately, 2-3% of all patients still died because they got the smallpox or suffered other diseases as a result of treatment.
  • Still, smallpox was such a horrible and to some degree, unavoidable disease that people took the risk for themselves and their children.
  • Variolation spread around the globe while variola continued to kill millions.
  • A victory over the virus only became a real possibility when scientists realized that it wasn't necessary to variolate with the real smallpox disease, but much safer to use material from cowpox, a variant that affected,
  • Cows.
  • A truly revolutionary step and only a few years later, this led to one of humankind's most outstanding achievements, vaccinations.
  • The innovation was simple.
  • Instead of using the real virus to train the immune system, use a related virus, cowpox, that was only mild but also gave you immunity.
  • Still, it would take another 200 years, countless individuals fighting the monster where they could, delivering vaccines to the most remote places on Earth.
  • All the while, the disease ravaged on, killing over 300 million people in the 20th century alone.
  • In 1966, the World Health Organization decided that humanity had to come together in a final, major effort.
  • A global smallpox news network, based on residents in hotspots, was created, tackling local outbreaks of the virus.
  • Cases were encircled, vaccines given, preventing further spread.
  • Smallpox only infects humans, so if we stopped the human transmission chain, we would starve the virus.
  • The last naturally occurring infection was in 1977, and in 1980, just shy of 200 years since the first vaccine was used, smallpox was declared eradicated.
  • Variola, the scourge of humanity, was dead.
  • No more children would be killed by it, no more mothers or brothers or uncles or cousins.
  • It's hard to convey to people around today what an incredible win this was.
  • One of the cruelest, most dangerous monsters that has hunted us for literally millennia was slain by us, apes with pointy needles.
  • Today, we live in a time of enlightenment.
  • None of us alive today are haunted by the specter of smallpox.
  • This light is not natural.
  • It was set in the sky by the sheer will of humankind wanting to be safe from the monsters haunting us.
  • But because we live without them, we forget that they ever existed and that they are real.
  • That the diseases might reawaken, or new ones might be brewing in jungles, wet markets, or laboratories, ready to strike us once more.
  • We forget what an incredible gift vaccines are and how hard we had to battle to get them.
  • We are still protected by the light but it's cooling each and every day and we owe it to those who will come after us to make sure it doesn't go out.
  • We killed one monster.
  • We can do it again.
  • This video was supported by Open Philanthropy.
  • Do you want to continue learning about the fascinating world of biology?
  • We've got you.
  • Let's take a real close look at the human body.
  • This is an arm and this is a human cell.
  • The microscopic stage where everything happens.
  • Where all the important battles are fought and where you are constantly built over and over again.
  • Even though it's the smallest unit of life, the cell is extremely complex.
  • But don't worry, we managed to fit everything you need to know on a single poster.
  • And in true kurzgesagt fashion, it's easy to understand and even easier on the eyes.
  • Grasping a complex topic is much easier when it's presented in exciting ways.
  • The poster was researched and designed in collaboration with molecular biologist James Gurney.
  • So it's expert approved and contains all the latest cutting-edge science about organelles, their function, and their place in the cellular world.
  • We love bringing science into your home with our videos and we're so excited whenever we get to do it literally.
  • That's why we take hundreds of hours to create our science posters, all researched with care and crafted with love by us here at Kurzgesagt.
  • We love having such a curious audience and we want to inspire you and all the birbs in your life to learn all about biology, space, humans, and life itself.
  • Get the human cell poster now exclusively on the Kurzgesagt shop and support the Kurzgesagt vision of sparking curiosity.