English C1 Words: 912 Words (Advanced)

All 912 English C1 words, each with its meaning and an example sentence: academic and professional vocabulary for demanding contexts. Practice them out loud with your AI language tutor to make them stick.

912 words

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A

B

  • baldlyin a plain, blunt way
  • batterhit repeatedly and hard
  • battereddamaged from repeated hits or abuse
  • beardedhaving a beard
  • beforehandbefore a particular event happens
  • beguilingcharming in a deceptive way
  • beguilinglyin a charmingly deceptive manner
  • believablyin a convincing, credible way
  • benigngentle and not harmful, or not cancerous
  • benignlyin a gentle, kind manner
  • bequeathleave property to someone in a will
  • billiardsa game played with balls and cues on a table
  • blanknessthe state of being empty or expressionless
  • blissperfect happiness
  • blistera small painful swelling of the skin
  • blithelyin a carefree, unconcerned way
  • blockbustera very successful film or product
  • bouqueta bunch of flowers, or a wine's aroma
  • brainwashforce someone to accept certain beliefs
  • brainwashingthe process of forcing someone's beliefs to change
  • bribegive money to influence someone dishonestly
  • briberythe act of offering money to influence someone
  • bubblycheerful and full of energy, or fizzy
  • bufferreduce the shock or impact of something
  • buffoonsomeone who acts foolishly for laughs
  • bulkthe main part, or a large mass
  • bulk upincrease in size, especially muscle
  • bulkylarge and difficult to carry or store
  • bureaucraticinvolving excessive official rules and procedures
  • bureaucraticallyin a manner following rigid official procedures
  • buzzera device that makes a buzzing sound as a signal
  • bypassgo around or avoid something

C

  • caloriea unit measuring the energy value of food
  • candidhonest and direct, without hiding anything
  • candidlyin an honest, open way
  • canoea small narrow boat moved by paddling
  • carpentersomeone who builds things from wood
  • carpentrythe skill or work of building with wood
  • carriera person or thing that carries or transmits something
  • cavitya hollow space, or a decayed tooth spot
  • ceaselessnever stopping, continuous
  • ceaselesslywithout stopping, continuously
  • cessationthe stopping of an action or process
  • chaoticallyin a completely disordered way
  • characterizationthe way a character is created and described
  • charterhire a vehicle for private use
  • chillmake something cold, or relax
  • chillycold enough to be uncomfortable
  • chiselshape wood or stone with a sharp tool
  • chiselledhaving sharply defined, attractive features
  • churnmove or stir violently, or produce steadily
  • circulatemove around continuously, or spread
  • circulationthe movement of something around a system
  • citationa quoted reference, or an official summons
  • citequote a source as evidence
  • clammyunpleasantly damp and sticky
  • clana large group of related families
  • classystylish and elegant
  • claustrophobiaan intense fear of enclosed spaces
  • claustrophobicafraid of enclosed spaces, or feeling cramped
  • cleanlyin a neat, precise way without mess
  • clenchclose tightly, especially teeth or fists
  • clevernessthe quality of being intelligent or skillful
  • climacticrelating to the most intense, exciting point
  • climaxthe most intense or exciting point
  • clinicalrelating to medical treatment, or coldly detached
  • cloaka loose outer garment, or something concealing
  • closenessthe quality of being near or intimate
  • clutchhold tightly
  • clutteran untidy collection of things
  • collaboratework jointly with others
  • collaborationthe act of working together on something
  • collaborativeinvolving people working together
  • collaboratorsomeone who works jointly with another
  • commendpraise formally, or recommend
  • commendationformal praise or an award for achievement
  • commerciallyin relation to trade or making profit
  • compelforce someone to do something
  • complementarycombining well to enhance each other
  • compliancethe act of obeying rules or requirements
  • compliantobeying rules or willing to comply
  • compliantlyin a way that obeys rules willingly
  • complimentarygiven free, or expressing praise
  • complyact according to a rule or request
  • compriseconsist of, be made up of
  • compromisedweakened or made vulnerable
  • compulsionan irresistible urge to do something
  • contrick someone, especially for money
  • concertoa musical piece for a solo instrument and orchestra
  • concuragree with an opinion or decision
  • conditionaldepending on certain conditions being met
  • conditionallysubject to certain conditions
  • confideshare a secret with someone trusted
  • confinementthe state of being kept in a restricted space
  • conformbehave according to expected standards
  • conformitybehavior that matches accepted standards
  • congregategather together in a group
  • conjurebring to mind, or produce as if by magic
  • connoisseuran expert judge of taste in a field
  • conscientiouscareful and thorough in one's duties
  • conscientiouslyin a careful and thorough manner
  • conservatorya glass room on a house, or a music school
  • conserveprotect and use carefully to avoid waste
  • constrainta limitation that restricts action
  • consultancya business that gives expert advice
  • consultationa meeting to discuss or get advice
  • contesteddisputed or argued over
  • contextualrelating to the surrounding circumstances
  • contextuallyin relation to the surrounding context
  • continuitythe state of continuing without interruption
  • contractora person or firm hired to do building work
  • convictdeclare someone guilty of a crime
  • convictiona firm belief, or a guilty verdict
  • convolutedextremely complicated and hard to follow
  • corpsa military unit, or an organized group
  • cost-effectivegiving good value for the money spent
  • coupledcombined or linked with something else
  • coveragethe reporting of news, or the extent of protection
  • cravewant something intensely
  • cravingan intense desire for something
  • creamysmooth and thick like cream
  • credentiala qualification proving one's ability or authority
  • credibilitythe quality of being trusted or believed
  • credibleable to be believed or trusted
  • crediblyin a believable, trustworthy way
  • criteriastandards used to judge or decide something
  • cruderough and simple, or rudely offensive
  • crudelyin a rough or vulgar way
  • crumba small fragment of bread or cake
  • crumblebreak into small fragments
  • customaryusual or traditional in given circumstances
  • cynicsomeone who distrusts people's motives
  • cynicaldistrustful of people's sincerity or motives
  • cynicallyin a distrustful, sneering manner
  • cynicisma distrustful attitude toward people's motives

D

E

F

  • fabulouslyextremely or marvelously
  • facialrelating to the face
  • facilitationthe act of making something easier
  • factiona small group within a larger one
  • fanatica person with extreme enthusiasm
  • fanaticallywith extreme, obsessive enthusiasm
  • fancifulimaginative but not realistic
  • farcea ridiculous and absurd situation
  • fatalitya death from an accident or disaster
  • fatigueextreme physical or mental tiredness
  • favorablyin a positive or approving way
  • ferocioussavagely fierce or violent
  • ferociouslyin a fierce, violent manner
  • fiddleto touch something restlessly with the hands
  • fiddlera person who plays the violin
  • fiddlyawkward and difficult to handle
  • fienda very wicked person or fanatic
  • fiendishextremely cruel or cunning
  • fiendishlyextremely, in a cunning way
  • fiercelyin an intense, aggressive way
  • firewalla system that blocks unauthorized network access
  • fissurea long narrow crack or opening
  • fixturea permanently fitted item, or scheduled match
  • flashbacka scene showing an earlier time
  • flaska small container for carrying liquid
  • flatterto praise someone excessively or insincerely
  • flatteryexcessive, insincere praise
  • flickto make a quick, light movement
  • flickera brief, unsteady light or feeling
  • flourisha bold, dramatic gesture or decoration
  • folktalea traditional story passed down orally
  • forensicrelating to scientific crime investigation
  • forfeitto lose something as a penalty
  • formalitya formal procedure required by custom
  • formulateto create or devise something carefully
  • fossilpreserved remains of an ancient organism
  • fractiona small part of a whole
  • fragmentationthe process of breaking into pieces
  • frostilyin an unfriendly, cold manner
  • frostyvery cold, or unfriendly in manner
  • fuseto join together, often by melting
  • fusionthe joining of different things into one

G

  • gadgeta small useful electronic device
  • gamelybravely despite difficulty or fear
  • gapeto stare open mouthed in surprise
  • gema precious stone, or a wonderful find
  • genomethe complete genetic material of an organism
  • geologicalrelating to the earth's rocks and structure
  • geologicallyin terms of earth's rocks and structure
  • ghostlyresembling a ghost; eerie
  • giga live music show, or short term job
  • gleanto gather information bit by bit
  • glumlooking sad and gloomy
  • glumlyin a gloomy, dejected manner
  • gnawto bite or chew persistently
  • goosea large web footed water bird
  • gourmetrelating to high quality, fine food
  • graftto join plant tissue, or work hard
  • grapefruita large tart citrus fruit
  • groundsreasons for an action, or land nearby
  • gruellingextremely tiring and demanding
  • gruesomecausing horror or disgust
  • gruesomelyin a horrifying, gruesome way
  • grumbleto complain in a low, discontented way
  • gushto flow out suddenly in large amounts
  • gushingexpressing excessive enthusiasm
  • gushinglywith excessive enthusiasm or emotion
  • gustogreat enthusiasm and energy
  • gutsyshowing courage and determination
  • gypsya member of a traveling ethnic group

H

  • hackto gain unauthorized access to a computer
  • haggleto negotiate persistently over a price
  • harassto subject someone to constant aggressive pressure
  • harassmentaggressive pressure or intimidation
  • headstrongstubbornly determined to have one's way
  • hedgehoga small spiny nocturnal mammal
  • heifera young female cow without a calf
  • heightento increase or intensify something
  • hencefor this reason; therefore
  • heroinea woman admired for courage or nobility
  • hibernateto sleep through winter in a dormant state
  • hibernationa dormant winter sleep of animals
  • homelycomfortable and cozy, like home
  • honkto sound a horn loudly
  • hostessa woman who welcomes and entertains guests
  • hostileunfriendly and antagonistic
  • hostilityunfriendly, antagonistic feeling or behavior
  • hypocrisypretending to hold standards you do not
  • hypocritea person who acts against stated beliefs
  • hypocriticalacting against one's stated beliefs
  • hypocriticallyin a way that contradicts stated beliefs

I

J

  • jerseya knitted shirt, especially for sport
  • jurisdictionofficial legal authority over an area
  • justlyin a fair or deserved manner
  • juvenilea young person, not yet an adult

K

L

  • lacklusterlacking energy or brilliance; dull
  • lapsea brief failure, slip, or gap
  • latentexisting but not yet developed
  • lavatorya room containing a toilet
  • legacysomething handed down from the past
  • lethargiclacking energy; sluggish
  • lethargicallyin a sluggish, low energy manner
  • lethargya lack of energy and enthusiasm
  • liaisoncommunication between two groups or people
  • likelihoodthe chance that something will happen
  • limitlesswithout limits; boundless
  • lineararranged in a straight line or sequence
  • linearlyin a straight line or sequence
  • loomto appear as a large, threatening shape
  • ludicrousabsurd; obviously unreasonable
  • ludicrouslyin an absurd, ridiculous manner
  • lusta strong desire, often sexual

M

N

O

  • obligeto require someone to do something
  • obscureto make unclear or hide from view
  • obscurelyin an unclear or little known way
  • occupanta person who lives in or uses a place
  • occupationalrelating to a job or profession
  • odditya strange or unusual thing
  • offspringa person's child or an animal's young
  • orchardland planted with fruit trees
  • ordinarilynormally, in most cases
  • organizationalrelating to how an organization is run
  • ornamentaldecorative rather than practical
  • ottera semi-aquatic, fish-eating mammal
  • outsetthe beginning of something
  • overallsa loose one-piece garment worn over clothes
  • overdraftmoney owed after withdrawing beyond an account balance
  • overseeto supervise a process or activity
  • overseera person who supervises others

P

Q

  • quarrya place where stone is extracted
  • questa long search or adventurous journey
  • quipa witty, short remark
  • quirka peculiar habit or characteristic
  • quirkyunusual in an appealing, odd way

R

  • radiatora device that heats a room or cools an engine
  • rapporta close, understanding relationship
  • raritysomething rare, or being uncommon
  • raunchilyin a crude, sexually explicit way
  • raunchycrude and sexually explicit
  • readableeasy or enjoyable to read
  • realismdepicting things as they truly are
  • realista person who accepts things as they truly are
  • reapto gather a crop, or gain a benefit
  • reassurancewords that remove doubt or fear
  • reassureto remove someone's doubts or fears
  • recessa temporary break from work or school
  • recessiverelating to a gene masked by a dominant one
  • rechargeto restore power, or regain energy by resting
  • recognizableable to be identified
  • recognizablyin a noticeably identifiable way
  • rediscoverto find or experience something again
  • reenactto act out a past event again
  • refreshingpleasantly new, or reviving
  • refreshinglyin a pleasantly different, reviving way
  • refurbishto clean, repair, and improve something old
  • refurbishmentthe process of repairing and improving something
  • relapseto fall back into a previous bad state
  • relinquishto give up a right or possession
  • reluctantlyin an unwilling, hesitant manner
  • remedialintended to correct a problem or deficiency
  • reminisceto talk about pleasant past events
  • reminiscentreminding one of something else
  • remorsedeep regret for a wrong done
  • remorsefullywith deep regret for wrongdoing
  • remorselessshowing no regret, merciless
  • remorselesslyin a relentless, merciless way
  • remotelyfrom a distance, or slightly
  • removeddistant or separate in feeling
  • renderto cause something to become a certain state
  • renderinga version or artistic representation of something
  • renownfame for achievement
  • repelto drive back, or cause disgust
  • repellanta substance that repels something
  • repertorya stock of regularly performed works
  • reputeto be generally considered or regarded as
  • resentto feel bitter about something unfair
  • resiliencethe ability to recover quickly from difficulty
  • resilientable to recover quickly from difficulty
  • resina sticky substance from trees or plastic
  • resonateto have deep meaning, or echo with sound
  • respitea short period of rest or relief
  • restorationreturning something to its original condition
  • restorativehaving the power to restore health
  • retentionthe ability to keep or hold onto something
  • retraceto go back over a path again
  • revealingshowing information that was hidden
  • revereto feel deep respect for someone
  • rivetingcompletely engrossing or fascinating
  • robuststrong, sturdy, and healthy
  • robustlyin a strong, vigorous way
  • rotateto turn around a fixed point
  • roundupa summary, or a gathering together
  • rudimentarybasic, elementary, not fully developed
  • rudimentsthe basic principles of a subject
  • rumbleto make a deep, continuous rolling sound
  • rustleto make a soft, dry rustling sound
  • ruthlesshaving no pity, cruel
  • ruthlessnessthe quality of being harsh, without pity

S

T

  • tactskill in dealing with people sensitively
  • tactfulcareful not to upset or offend people
  • tactfullyin a sensitive, diplomatic way
  • tailora person who makes or adjusts clothes
  • tangleto twist together into a confused mass
  • tangledtwisted together in a confused way
  • tantamountequivalent in effect to something else
  • tantruma sudden angry outburst, especially by a child
  • tastebuda receptor on the tongue that senses taste
  • tautstretched tight; showing tension
  • tautlyin a stretched, tense way
  • tediouslong, slow, and boring
  • tediouslyin a long, boring way
  • tediumthe quality of being boring and monotonous
  • telltalerevealing something that was meant to be hidden
  • temperamenta person's or animal's natural disposition
  • temperamentalhaving unpredictable moods or behavior
  • temperamentallybecause of one's natural disposition
  • terrainthe physical features of an area of land
  • testamentclear evidence or proof of a quality
  • therebyby that means, as a result
  • timidlacking courage or confidence, shy
  • tinkerto make small changes casually or experimentally
  • tormentto cause someone severe suffering
  • torturousextremely painful, unpleasant, or difficult
  • toughnessthe quality of being strong and hard to break
  • tracta wide area of land; a body system
  • trampolinea stretched sheet used for bouncing on
  • tranquilcalm and peaceful, free of disturbance
  • tranquilitythe state of being calm and peaceful
  • transatlanticcrossing or spanning the Atlantic Ocean
  • transfixto make someone motionless with fascination
  • transitthe act of traveling across or through a place
  • traumaa deeply distressing or disturbing experience
  • traumaticcausing deep distress or disturbance
  • tryingdifficult and testing your patience
  • turmoila state of great confusion or disorder
  • turn toto go to someone or something for help
  • twitchto make a sudden small jerky movement
  • tycoona wealthy and powerful business person

U

V

W

  • waresgoods offered for sale
  • warycautious about possible danger or problems
  • washtuba tub used for washing clothes by hand
  • waterfrontan area of land bordering water
  • waysidethe side of a road
  • whilstwhile, during the time that
  • wickedmorally bad or evil
  • wickedlyin an evil or mischievous way
  • withdrawnquiet, unsociable, and keeping to oneself
  • wizenedshriveled or wrinkled with age
  • wooto try to win someone's love or support
  • woodedcovered with growing trees
  • wrangleto argue persistently about something
  • wrenchto twist or pull with sudden force
  • wrydryly humorous or mocking in a twisted way
  • wrylyin a dryly humorous or ironic way

Z

  • zanyamusingly unconventional or crazy

Exam equivalence: C1 corresponds to roughly Cambridge C1 Advanced (CAE), IELTS 7.0-8.0, TOEFL 95-120, or TOEIC 945+. Values are approximate and vary by exam session.

Levels come from the CEFR-J Vocabulary Profile v1.5 by Yukio Tono, Tokyo University of Foreign Studies and the Octanove Vocabulary Profile C1/C2 by Octanove Labs, CC BY-SA 4.0 Meanings and example sentences are written by VocaFlare.

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English word lists by level: FAQ

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