C2 English Vocabulary

by | Mar 29, 2025 | English Grammar in Use

What is C2 English Vocabulary?

C2 English vocabulary refers to the highest level of English language proficiency according to the Common European Framework of Reference for Languages (CEFR). It includes complex, nuanced, and sophisticated words used in academic, professional, and literary contexts. A C2-level speaker can express ideas fluently, understand implied meanings, and use idiomatic expressions effortlessly.

English Vocabulary

C2 English Vocabulary List (100 Words with Meanings & Examples)

C2 vocabulary consists of advanced words, phrases, and idiomatic expressions. Below are some common C2 words with examples:

WordMeaningExample Sentence
AberrationA departure from what is normal“His sudden outburst was an aberration from his usual calm demeanor.”
AbsolveTo clear from blame“The evidence absolved her from any wrongdoing.”
AcrimoniousBitter or angry in tone“Their divorce was an acrimonious battle over assets.”
AdmonishTo warn or reprimand“The teacher admonished the students for being late.”
AlacrityCheerful readiness“She accepted the job offer with alacrity.”
AlludeTo hint at indirectly“He alluded to his past struggles without giving details.”
AltruisticSelflessly concerned for others“His altruistic nature led him to work in charities.”
AmbiguousHaving more than one meaning“The ambiguous instructions caused confusion.”
AmeliorateTo make something better“New policies were introduced to ameliorate the situation.”
AmiableFriendly and pleasant“He was an amiable host, making everyone feel welcome.”
AnalogousComparable in a way“Her situation was analogous to mine last year.”
AnimosityStrong hostility“There was clear animosity between the two rivals.”
ApatheticShowing no interest or emotion“The students were apathetic about the upcoming elections.”
ApprehensiveFearful about the future“She was apprehensive about moving to a new city.”
ArbitraryBased on random choice“The rules seemed arbitrary and unfair.”
ArduousRequiring great effort“Climbing the mountain was an arduous task.”
AssiduousShowing great care“She was an assiduous student, always completing assignments early.”
AstuteHaving keen insight“His astute observations helped solve the case.”
AudaciousBold and daring“Her audacious plan surprised everyone.”
AustereStrict in manner“The monk lived an austere lifestyle.”
BenevolentWell-meaning and kind“The benevolent billionaire donated to multiple charities.”
BolsterTo support or strengthen“The new evidence bolstered his argument.”
BombasticUsing inflated language“His bombastic speech lacked real substance.”
BrevityShortness of duration“The brevity of his speech made it impactful.”
CacophonyHarsh, jarring sound“The traffic outside was a cacophony of honking horns.”
CajolePersuade by flattery“She cajoled him into lending her money.”
CapriciousProne to sudden changes“His capricious decisions made him unpredictable.”
CensureStrong disapproval“The senator faced public censure for his remarks.”
ChicaneryDeception or trickery“He used chicanery to win the negotiation.”
CircumspectCautious and wary“He was circumspect about investing in the project.”
CoalesceTo come together“Different political groups coalesced to form a new party.”
CogentClear, logical, and convincing“She presented a cogent argument for the policy change.”
ColloquialInformal speech“He used colloquial expressions in his storytelling.”
ConciliatoryIntended to pacify“His conciliatory tone eased tensions in the room.”
ConfluenceMerging of things“The confluence of ideas led to a brilliant innovation.”
ConjectureAn opinion based on incomplete info“His theory was pure conjecture without evidence.”
ConvolutedComplex and difficult to follow“The convoluted instructions confused everyone.”
CopiousAbundant in quantity“She took copious notes during the lecture.”
DebacleA complete disaster“The product launch was a total debacle.”
DebilitateTo weaken“The disease debilitated his immune system.”
DeleteriousHarmful or damaging“Smoking has deleterious effects on health.”
DerideTo mock or ridicule“Critics derided the film as uninspired.”
DespondentHopeless and depressed“After losing his job, he became despondent.”
DichotomyA division into two parts“There is a clear dichotomy between good and evil.”
DidacticIntended to teach“The novel had a didactic tone, teaching moral lessons.”
DiffidentLacking confidence“She was too diffident to speak in public.”
DisparateVery different“The two cultures were too disparate to merge easily.”
DogmaticStrongly opinionated“His dogmatic approach left no room for discussion.”
EbullientCheerful and full of energy“Her ebullient personality made her popular.”
EgregiousShockingly bad“His egregious error cost the company millions.”
ElicitTo draw out a response“The joke elicited laughter from the audience.”
ElucidateTo explain clearly“The professor elucidated the complex concept.”
EphemeralLasting for a short time“Trends in fashion are often ephemeral.”
EruditeHaving deep knowledge“The erudite scholar wrote a book on philosophy.”
EsotericUnderstood by few“Quantum mechanics is an esoteric subject.”
ExacerbateTo make worse“His comments only exacerbated the situation.”
ExonerateTo clear from blame“New evidence exonerated the accused.”
ExtraneousUnnecessary or irrelevant“Remove extraneous details from your report.”
FacetiousTreating serious issues with humor“His facetious remarks were inappropriate at the meeting.”
FastidiousVery attentive to detail“She was fastidious about keeping her house clean.”
FerventPassionate or intense“He was a fervent supporter of human rights.”
GarrulousExcessively talkative“The garrulous man dominated the conversation.”
GrandiloquentUsing fancy words to impress“His grandiloquent speech annoyed the audience.”
HackneyedOverused and unoriginal“The movie’s plot was full of hackneyed clichés.”
HaplessUnfortunate or unlucky“The hapless traveler lost his passport.”
ImmutableUnchanging over time“Laws of physics are considered immutable.”
ImpeccableFlawless“She has impeccable taste in fashion.”
IncongruousNot fitting in“His casual outfit was incongruous at the formal event.”

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How Many Words Are in C2 Vocabulary?

There is no fixed number of words in C2 English vocabulary, but an average C2-level speaker knows around 16,000–20,000 words. This includes:

Academic words (e.g., “paradigm,” “juxtaposition”)
Professional jargon (e.g., “synergy,” “disruptive innovation”)
Idioms & Phrasal verbs (e.g., “hit the nail on the head,” “throw in the towel”)
Literary expressions (e.g., “melancholy,” “whimsical”)

How to Learn C2 English Vocabulary?

Mastering C2-level vocabulary requires consistent exposure, practice, and application. Here are some proven methods:

📖 Read Advanced Texts

  • Novels: Pride and Prejudice (Jane Austen), 1984 (George Orwell)
  • Academic Journals: Research papers, articles from The Economist, The New York Times
  • Classic Literature: Works by Shakespeare, Dickens, and Virginia Woolf

🎧 Listen to Advanced English Content

  • TED Talks
  • BBC & NPR Podcasts
  • Audiobooks on complex topics

Practice Writing & Speaking

  • Write essays and articles
  • Engage in debates and discussions
  • Use new words in conversations

📝 Use Vocabulary Apps & Flashcards

  • Anki, Quizlet, Memrise for spaced repetition learning
  • Cambridge Dictionary, Merriam-Webster for word definitions and examples

Frequently Asked Questions (FAQs)

Is C2 English like native-level English?
✅ Yes, C2 is equivalent to near-native proficiency, meaning you can understand and use English at an academic and professional level.

How long does it take to reach C2 level?
⏳ It varies based on dedication, but it usually takes 1,000+ hours of study and practice.

What is the best way to remember C2 words?
🧠 Using mnemonics, context-based learning, and active usage helps in retention.

Do I need C2 vocabulary for IELTS or TOEFL?
📚 Not necessarily. C1-level vocabulary is usually enough, but C2 words can boost your writing and speaking scores.

Conclusion

C2 English vocabulary represents the pinnacle of language mastery, enabling effective communication in academic, professional, and literary settings. Reading, listening, writing, and active use are key to mastering these words.

If you’re on a journey to C2 English proficiency, keep practicing, stay curious, and immerse yourself in the language! 🚀✨

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