Only People With Brilliant Minds Can Define These 40 Obscure Vocabulary Words

“Puerile” refers to behavior that is silly, juvenile, or lacking maturity — often in adults.Often used for stories or quotes, “apocryphal” suggests something may be false or fabricated.“Abrogate” is used in legal or formal contexts when a law or agreement is officially ended.“Invective” refers to angry, abusive, or highly critical speech.“Soporific” can describe medication, lectures, or anything that puts you to sleep.A recalcitrant person resists authority or control, often on purpose.“Antediluvian” literally means “before the flood” but is used to describe anything absurdly old-fashioned.Often applied to children or crowds, “obstreperous” implies loud resistance or chaos.“Equanimity” describes a serene mindset, especially under stress or pressure.“Parsimony” suggests frugality taken to stingy or miserly levels.To “excoriate” someone is to harshly denounce them, often in public or in writing.“Penurious” can refer to poverty or to someone who is excessively frugal.“Turgid” can describe literal swelling or bloated, pretentious language.“Calumny” refers to lies told deliberately to damage someone’s reputation.“Effulgent” often describes people or things that shine with brilliance — literally or metaphorically.“Jejune” refers to ideas or speech that is dull, simplistic, or uninteresting.“Turpitude” is used to describe deeply unethical or disgraceful behavior.“Lambent” light flickers gently, like candlelight or twilight reflections.“Contumacious” describes stubborn resistance, especially to legal or official authority.“Abstruse” concepts are intellectually complex or deeply obscure — the kind that make your head tilt.“Obdurate” describes someone inflexible or unmoved by argument or emotion.“Pithy” statements are short, sharp, and packed with substance.“Neologism” refers to newly invented words or new meanings for existing ones.“Lachrymose” people or stories are sad enough to bring on tears.“Pellucid” refers to transparency — in water, writing, or thought.“Alacrity” suggests someone jumps into action with speed and joy.A “vituperative” rant is angry, venomous, and full of harsh criticism.“Inchoate” ideas or systems are new, unrefined, or only partially realized.“Execrable” describes something so terrible it deserves to be cursed.An “indefatigable” person keeps going no matter the challenge — full stamina, zero quit.An “insouciant” person is relaxed and unconcerned, sometimes annoyingly so.A “querulous” tone is whiny, fretful, and full of grievances.“Redoubtable” often describes formidable opponents or impressive leaders.Someone “sanguine” is hopeful and upbeat, even in difficult situations.“Pernicious” things cause harm in a subtle, often sneaky way.“Acerbic” speech or writing is biting, clever, and often a little mean.Something in “abeyance” is paused or set aside for now.“Assiduous” individuals show dedication and consistent effort over time.A “trenchant” comment cuts through nonsense with precision and clarity.Yes — it’s a repeat from earlier in the quiz, just to see if you were paying attentionYou scored 0 out of 40You scored 1 out of 40You scored 2 out of 40You scored 3 out of 40You scored 4 out of 40You scored 5 out of 40You scored 6 out of 40You scored 7 out of 40You scored 8 out of 40You scored 9 out of 40You scored 10 out of 40You scored 11 out of 40You scored 12 out of 40You scored 13 out of 40You scored 14 out of 40You scored 15 out of 40You scored 16 out of 40You scored 17 out of 40You scored 18 out of 40You scored 19 out of 40You scored 20 out of 40You scored 21 out of 40You scored 22 out of 40You scored 23 out of 40You scored 24 out of 40You scored 25 out of 40You scored 26 out of 40You scored 27 out of 40You scored 28 out of 40You scored 29 out of 40You scored 30 out of 40You scored 31 out of 40You scored 32 out of 40You scored 33 out of 40You scored 34 out of 40You scored 35 out of 40You scored 36 out of 40You scored 37 out of 40You scored 38 out of 40You scored 39 out of 40You scored 40 out of 40

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Think your vocabulary is elite? This quiz isn’t for the casual reader or the occasional crossword solver — it’s for the truly lexically gifted. We’re talking rare, refined, and ridiculously specific words that’ll stretch your brain and flex your linguistic muscles.
If you can breeze through all 40, there’s no doubt: your mind is a certified marvel. Ready to prove it?

Vocabulary Royalty

Think your vocabulary is elite? This quiz isn’t for the casual reader or the occasional crossword solver — it’s for the truly lexically gifted. We’re talking rare, refined, and ridiculously specific words that’ll stretch your brain and flex your linguistic muscles. If you can breeze through all 40, there’s no doubt: your mind is a certified marvel. Ready to prove it?

Only People With Brilliant Minds Can Define These 40 Obscure Vocabulary Words

What is the definition of “puerile”?

Vocabulary Royalty

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