intelligent

in·tel·li·gent

adj \in-ˈte-lə-jənt\

Definition of INTELLIGENT

1

a : having or indicating a high or satisfactory degree of intelligence and mental capacity b : revealing or reflecting good judgment or sound thought : skillful

2

a : possessing intelligence b : guided or directed by intellect : rational

3

a : guided or controlled by a computer; especially : using a built-in microprocessor for automatic operation, for processing of data, or for achieving greater versatility — compare dumb 7 b : able to produce printed material from digital signals <an intelligent copier>

— in·tel·li·gen·tial \-ˌte-lə-ˈjen(t)-shəl\ adjective

— in·tel·li·gent·ly \-ˈte-lə-jənt-lē\ adverb

Examples of INTELLIGENT

1. She asked some intelligent questions.
2. He's a hard worker but he's not very intelligent.

Origin of INTELLIGENT

Latin intelligent-, intelligens, present participle of intelligere, intellegere to understand, from inter- + legere to gather, select — more at legend

First Known Use: 1509

Related to INTELLIGENT

Synonyms: alert, brainy, bright, brilliant, clever, exceptional, fast, hyperintelligent, keen, nimble, quick, quick-witted, sharp, sharp-witted, smart, supersmart, ultrasmart

Antonyms: airheaded, birdbrained, boneheaded, brain-dead, brainless, bubbleheaded, chuckleheaded, dense, dim, dim-witted, doltish, dopey (also dopy), dorky [slang], dull, dumb, dunderheaded, empty-headed, fatuous, gormless [chiefly British], half-witted, knuckleheaded, lamebrain (or lamebrained), lunkheaded, mindless, obtuse, opaque, pinheaded, senseless, simple, slow, slow-witted, soft, softheaded, stupid, thick, thickheaded, thick-witted, unbrilliant, unintelligent, unsmart, vacuous, weak-minded, witless

Related Words: apt, ingenious, resourceful; acute, astute, discerning, heady, insightful, knowing, perceptive, percipient, perspicacious, sagacious, sapient, savvy, wise; cerebral, erudite, genial, highbrow, knowledgeable, learned, literate, scholarly, well-read; educated, informed, schooled, skilled, trained; creative, inventive, judicious, prudent, sage, sane, sapient, sensible, sound, wise; crafty, cunning, foxy, shrewd, wily; logical, rational, reasonable

Near Antonyms: feebleminded, simpleminded; boobish, foolish, half-baked, idiotic (also idiotical), imbecile (or imbecilic), moronic, silly; ignorant, illiterate, lowbrow, nonintellectual, unacademic, uneducated, uninformed, unintellectual, untaught, unthinking; absurd, asinine, balmy, cockeyed, crackpot, crazy, cuckoo, daffy, daft, dippy, dotty, featherheaded, fool, half-baked, harebrained, insane, kooky (also kookie), loony (also looney), lunatic, mad, nonsensical, nutty, preposterous, sappy, screwball, tomfool, unwise, wacky (also whacky), zany

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Synonym Discussion of INTELLIGENT

intelligent, clever, alert, quick-witted mean mentally keen or quick. intelligent stresses success in coping with new situations and solving problems <an intelligent person could assemble it fast>. clever implies native ability or aptness and sometimes suggests a lack of more substantial qualities <clever with words>. alert stresses quickness in perceiving and understanding <alert to new technology>. quick-witted implies promptness in finding answers in debate or in devising expedients in moments of danger or challenge <no match for his quick-witted opponent>.