brain

brain

noun

Definition of BRAIN

1

a very smart person <the brains all sit together at lunch>

Synonyms brain, brainiac, intellect, thinker, whiz, wiz, wizard

Related Words polyhistor, polymath, Renaissance man; blue, bluestocking, highbrow, intellectual; sage, savant; egghead, geek, longhair, nerd; master, virtuoso; ace, crackerjack (also crackajack), natural

Near Antonyms ignoramus, illiterate, know-nothing, lowbrow; anti-intellectual, philistine; ass, donkey, fool, jackass; beast, boor, cad, churl, clown, creep, cretin, cur, heel, jerk, louse, lout, skunk, snake, stinker

Antonyms blockhead, dodo, dolt, dope, dumbbell, dummy, dunce, fathead, goon, half-wit, hammerhead, idiot, imbecile, knucklehead, moron, nitwit, numskull (or numbskull), pinhead

2

often brains pl  the ability to learn and understand or to deal with problems <you have the brains to figure out that problem on your own>

Synonyms brain(s), brainpower, gray matter, headpiece, intellect, intellectuality, mentality, reason, sense, smarts

Related Words eggheadedness, highbrowism, intellectualism; braininess, brilliance; acumen, alertness, apprehension, astuteness, discernment, discriminability, insight, judgment (or judgement), perception, percipience, perspicacity; common sense, horse sense, mother wit; aptitude, talent; sagacity, sapience, wisdom, wit; head, mind, skull

Near Antonyms denseness, density, doltishness, dopiness, dullness (also dulness), dumbness, fatuity, feeblemindedness, foolishness, half-wittedness, idiocy, imbecility, senselessness, simpleness, slowness, stupidity

3

the part of a person that feels, thinks, perceives, wills, and especially reasons <I'd love to get inside his brain and experience the world as he experiences it>

Synonyms brain, cerebrum, head, psyche, thinker

Related Words belfry, gray matter, intellect, intelligence, loaf [British slang], noodle, reason, skull; acumen, alertness, astuteness, brilliance, insight, judgment (or judgement), mentality, perception, perspicacity, sagacity, sapience, wisdom, wit; awareness, cognizance, consciousness, self-awareness, self-consciousness