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| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | bright, ingenious |
| Synonyms: | able, adept, adroit, alert, apt, astute, brainy, brilliant, cagey, canny, capable, competent, crackerjack*, cunning, deep, dexterous/dextrous, discerning, egghead, expert, foxy*, gifted, good, handy, intelligent, inventive, keen, knowing, knowledgeable, many-sided, nimble, nobody's fool, pretty, pro, qualified, quick, quick on trigger, quick-witted, rational, resourceful, sagacious, savvy, sensible, sharp, shrewd, skilled, skillful, slick, sly, smart, sprightly, talented, versatile, wise, witty |
| Antonyms: | awkward, foolish, idiotic, ignorant, naive, senseless, stupid, unclever |
* = informal/non-formal usage
| Main Entry: | acute |
| Part of Speech: | adjective |
| Definition: | deeply perceptive |
| Synonyms: | astute, canny, clever, discerning, discriminating, incisive, ingenious, insightful, intense, intuitive, judicious, keen, observant, penetrating, perspicacious, piercing, quick-witted, sensitive, sharp, smart, subtle |
| Notes: | acute is used for a sudden onset and short duration; chronic is for conditions that are slow to develop and of long duration acute is an angle of less than 90 degrees; obtuse is one of more than 90 degrees chronic is contrasted with acute as chronic pain persists over a longer period of time than acute pain and is resistant to most medical treatments |
| Antonyms: | dense, imperceptive, insensitive, obtuse, slow, stupid |
| Main Entry: | adroit |
| Part of Speech: | adjective |
| Definition: | very able or skilled |
| Synonyms: | adept, apt, artful, clean, clever, crack*, crackerjack*, cunning, cute, deft, dexterous, expert, foxy*, good, handy, hot tamale, ingenious, masterful, neat*, nifty*, nimble, on the ball, on the beam, proficient, quick on the trigger, quick on the uptake, quick-witted, savvy, sharp, skillful, slick, smart, up to speed, up*, whiz*, wizard |
| Antonyms: | awkward, clumsy, dense, inept, stupid, unskilled |
* = informal/non-formal usage
| Main Entry: | agile |
| Part of Speech: | adjective |
| Definition: | physically or mentally nimble, deft |
| Synonyms: | active, acute, alert, athletic, brisk, buoyant, bustling, clever, dexterous, easy-moving, energetic, fleet, frisky, limber, lithe, lively, mercurial, prompt, quick, quick on the draw, quick on the trigger, quick-witted, rapid, ready, sharp, spirited, sportive, spright, sprightly, spry, stirring, supple, swift, twinkle toes, vigorous, vivacious, winged, zippy |
| Antonyms: | brittle, clumsy, stiff |
| Main Entry: | alert |
| Part of Speech: | adjective |
| Definition: | attentive, lively |
| Synonyms: | active, all ears, bright, cagey, careful, circumspect, clever, fast on the draw, good hands, heads up, heedful, hip, intelligent, jazzed, observant, on guard, on one's toes, on the ball, on the job, on the lookout, on the qui vive, perceptive, psyched up, quick, ready, sharp, spirited, switched on, vigilant, wary, watchful, wide-awake, wired, wise, with it |
| Antonyms: | asleep, drowsy, inattentive, lethargic, sluggish, unobservant, weary |
| Main Entry: | apt |
| Part of Speech: | adjective |
| Definition: | quick to learn |
| Synonyms: | able, adept, astute, bright, clever, expert, gifted, ingenious, intelligent, no dummy, nobody's fool, not born yesterday, prompt, quick on the trigger, quick on the uptake, ready, savvy, sharp, skilled, skillful, smart, talented, teachable |
| Notes: | apt is for general probabilities, likely is for specific probabilities; liable and prone indicate a probability arising as a regrettable consequence |
| Antonyms: | incapable, stupid, unskilled |
| Main Entry: | artful |
| Part of Speech: | adjective |
| Definition: | skillful; cunning |
| Synonyms: | adept, adroit, clever, crafty, designing, dexterous, foxy*, ingenious, masterly, politic, proficient, resourceful, scheming, sharp, shrewd, slick*, sly, smart, smooth*, tricky, wily |
| Antonyms: | artless, ingenuous, naive, unskillful |
* = informal/non-formal usage
| Main Entry: | astute |
| Part of Speech: | adjective |
| Definition: | perceptive |
| Synonyms: | adroit, brainy, bright, calculating, canny, clever, crafty, discerning, foxy, insightful, intelligent, keen, knowing, not born yesterday, on the ball, perspicacious, quick on the uptake, sagacious, savvy, sharp, sharp as a tack, shrewd, sly |
| Antonyms: | asinine, idiotic, ignorant, imbecile, obtuse, shallow, stupid, thick, unintelligent |
| Main Entry: | brainy |
| Part of Speech: | adjective |
| Definition: | intelligent |
| Synonyms: | bright, brilliant, clever, intellectual, sapient, smart |
Roget's 21st Century Thesaurus, Third Edition
Copyright © 2013 by the Philip Lief Group.
Cite This Source
Copyright © 2013 by the Philip Lief Group.
Cite This Source
Copyright © 2013 Dictionary.com, LLC. All rights reserved.
