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| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | bitter, sour in taste |
| Synonyms: | acerbic, acidulous, biting, piquant, pungent, sharp, tart, vinegarish, vinegary |
| Antonyms: | bland, sweet |
| Main Entry: | acidulous |
| Part of Speech: | adjective |
| Definition: | bitter, sour |
| Synonyms: | acerb, acerbic, acetose, dry, piquant, sharp, tart |
| Antonyms: | sugary, sweet |
| Main Entry: | acrid |
| Part of Speech: | adjective |
| Definition: | bitter, sour to taste |
| Synonyms: | acid, amaroidal, astringent, biting, burning, caustic, harsh, irritating, pungent, sharp, stinging |
| Antonyms: | delicious, savory, sweet |
| Main Entry: | acrid |
| Part of Speech: | adjective |
| Definition: | nasty in behavior or words |
| Synonyms: | acrimonious, austere, biting, bitter, caustic, cutting, harsh, mordant, sarcastic, sharp, trenchant, vitriolic |
| Antonyms: | complimentary, kind, nice |
| Main Entry: | acrimonious |
| Part of Speech: | adjective |
| Definition: | nasty in behavior, speech |
| Synonyms: | acerbic, acid, angry, astringent, belligerent, biting, bitter, caustic, censorious, churlish, crabby, cranky, cross, cutting, indignant, irascible, irate, ireful, mad, mordant, peevish, petulant, rancorous, sarcastic, sharp, spiteful, splenetic, tart, testy, trenchant, wrathful |
| Antonyms: | kind, kindly, peaceable |
| Main Entry: | active |
| Part of Speech: | adjective |
| Definition: | very involved in activity |
| Synonyms: | aggressive, agile, alert, alive, animated, assiduous, bold, brisk, bustling, busy, chipper, daring, dashing, determined, dexterous, diligent, dynamic, eager, energetic, engaged, enlivened, enterprising, enthusiastic, eventful, fireball, forceful, forcible, fresh, frisky, hard-working, high-spirited, hyper, industrious, intense, inventive, jumping, keen, lively, nimble, on the move, perky, persevering, purposeful, pushing, quick, rapid, ready, resolute, sharp, sprightly, spry, whiz*, zealous |
| Notes: | active knowledge is the knowledge of a language which a user actively employs in speech or writing, as opposed to passive knowledge, which is what a person understands in what he/she hears or reads |
| Antonyms: | disinterested, idle, indifferent, lazy, quiescent, quiet |
* = 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: | acute |
| Part of Speech: | adjective |
| Definition: | severe, intense |
| Synonyms: | cutting, distressing, excruciating, exquisite, fierce, keen, overpowering, overwhelming, piercing, poignant, powerful, racking, severe, sharp, shooting, stabbing, sudden, violent |
| 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 |
| Main Entry: | adept |
| Part of Speech: | adjective |
| Definition: | very able |
| Synonyms: | accomplished, ace*, adroit, brainy, capable, clean*, crack*, crackerjack*, deft, dexterous, expert, hot*, hotshot, know stuff, masterful, masterly, no dummy, no slouch, nobody's fool, on the ball, on the beam, practiced, proficient, quick, savvy, sharp, sharp as a tack, skilled, skillful, slick, smooth, there, up to speed, versed, whiz*, wizard |
| Antonyms: | awkward, clumsy, incompetent, inept, unskilled |
* = informal/non-formal usage
Roget's 21st Century Thesaurus, Third Edition
Copyright © 2013 by the Philip Lief Group.
Cite This Source
Roget's 21st Century Thesaurus, Third Edition
Copyright © 2013 by the Philip Lief Group.
Cite This Source
Copyright © 2013 Dictionary.com, LLC. All rights reserved.
