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swift - 20 thesaurus results
| Main Entry: | swift |
| Part of Speech: | adjective |
| Definition: | very fast |
| Synonyms: | abrupt, breakneck, expeditious, express, fleet, flying, hasty, headlong, hurried, nimble, on the double*, precipitate, prompt, pronto, quick, rapid, ready, short, short-lived, snappy*, spanking*, speedy, sudden, unexpected, winged, alacritous, barrelling, cracking, double-quick, fleet-footed, in nothing flat, like crazy, like mad, screaming, shaking a leg, speedball, supersonic |
| Antonyms: | delayed, slow, sluggish |
* = informal/non-formal usage
| Main Entry: | swiftly/swift |
| Part of Speech: | adverb |
| Definition: | very fast |
| Synonyms: | apace, flat-out*, hastily, posthaste, promptly, quick, quickly, rapidly, speedily, double-quick, expeditiously, fleetly, full tilt, hurriedly, in no time, without losing time, without warning |
| Antonyms: | slowly, sluggishly |
* = informal/non-formal usage
| Main Entry: | agile |
| Part of Speech: | adjective |
| Definition: | physically or mentally nimble, deft |
| Synonyms: | active, acute, alert, athletic, brisk, buoyant, clever, dexterous, energetic, fleet, frisky, limber, lithe, lively, mercurial, prompt, quick, quick-witted, rapid, ready, sharp, spirited, sportive, sprightly, spry, stirring, supple, swift, vigorous, vivacious, winged, zippy, bustling, easy-moving, quick on the draw, quick on the trigger, spright, twinkle toes |
| Antonyms: | brittle, clumsy, stiff |
| Main Entry: | cursory |
| Part of Speech: | adjective |
| Definition: | casual, hasty |
| Synonyms: | brief, careless, desultory, fast, half-baked*, haphazard, hit or miss*, hurried, offhand, passing, perfunctory, quick, random, rapid, shallow, short, sketchy, slapdash, slight, sloppy, speedy, summary, superficial, swift, uncritical, depthless, half-assed |
| Notes: | cursory means 'superficial'; cursorial is 'pertaining or adapted to running' |
| Antonyms: | complete, meticulous, painstaking, perfect, thorough, unhurried |
* = informal/non-formal usage
| Main Entry: | dissolute |
| Part of Speech: | adjective |
| Definition: | lacking restraint, indulgent |
| Synonyms: | abandoned, corrupt, debauched, degenerate, depraved, dissipated, evil, fast*, fast and loose, intemperate, lascivious, lax, lecherous, lewd, libertine, licentious, light, loose*, open, player*, profligate, raffish, rakish, reprobate, slack, swift, unprincipled, unrestrained, vicious, wanton, wayward, wicked, wild, gone bad, high living, in the fast lane, night owl, nighthawk, on the take, sybaritic, unconstrained |
| Antonyms: | chaste, good, moral, pure, resolute, respectful, virtuous |
* = informal/non-formal usage
| Main Entry: | expeditious |
| Part of Speech: | adjective |
| Definition: | immediate, speedy |
| Synonyms: | active, alert, breakneck, brisk, diligent, effective, effectual, efficient, fast, fleet, hasty, instant, nimble, prompt, punctual, quick, rapid, ready, swift |
| Antonyms: | retarded, slow, pokey |
| Main Entry: | fleet |
| Part of Speech: | adjective |
| Definition: | quick in movement |
| Synonyms: | agile, breakneck*, brisk, expeditious, fast, flying, hasty, lively, mercurial, meteoric, nimble, on the double*, rapid, speedy, swift, winged, barreling, expeditive, in nothing flat, like greased lightning, nimble-footed, screaming, speedball |
| Antonyms: | clumsy, slow |
* = informal/non-formal usage
| Main Entry: | hasty |
| Part of Speech: | adjective |
| Definition: | speedy; without much thought |
| Synonyms: | abrupt, agile, brash, breakneck*, brief, brisk, careless, cursory, eager, expeditious, fast, fiery, fleet, fleeting, foolhardy, headlong, heedless, hurried, ill-advised, impatient, impetuous, impulsive, incautious, inconsiderate, madcap*, on the double*, passing, perfunctory, precipitate, prompt, pronto*, quick, quickie, rapid, rash, reckless, rushed, short, slapdash*, snappy*, sudden, superficial, swift, thoughtless, urgent, PDQ, chop-chop*, harefooted, quickened, slambang |
| Antonyms: | delayed, lazy, slow, lingering, loitering |
* = informal/non-formal usage
| Main Entry: | hurried |
| Part of Speech: | adjective |
| Definition: | quick, rushed |
| Synonyms: | abrupt, breakneck, brief, cursory, fast, hasty, headlong, hectic, impetuous, perfunctory, precipitate, precipitous, rushing, short, slapdash, speedy, sudden, superficial, swift, precipitant, subitaneous |
| Antonyms: | easily, leisurely, slow, unhurried, unrushed |
| Main Entry: | impetuous |
| Part of Speech: | adjective |
| Definition: | acting without thinking |
| Synonyms: | abrupt, ardent, eager, fervid, fierce, furious, hasty, headlong, hurried, impassioned, impulsive, passionate, precipitate, precipitous, rash, restive, rushing, spontaneous, sudden, swift, unbridled, unexpected, unplanned, unpremeditated, unrestrained, unthinking, vehement, violent, going off deep end, precipitant, spur-of-the-moment, subitaneous, unreflecting |
| Antonyms: | calm, cautious, circumspect, considerate, reflective, sensible, thoughtful, wise |
| Main Entry: | impulsive |
| Part of Speech: | adjective |
| Definition: | tending to act without thought |
| Synonyms: | abrupt, ad-lib*, automatic, careless, devil-may-care*, emotional, extemporaneous, flaky*, hasty, headlong, impetuous, instinctive, intuitive, involuntary, mad, offhand, passionate, precipitate, quick, rash, spontaneous, sudden, swift, unexpected, unpredictable, unpremeditated, up-and-down*, violent, gone off deep end, hot-and-cold, jumping the gun, unconsidered, unmeditated, unprompted, winging it |
| Antonyms: | cautious, considering, heedful, thoughtful, wise, premeditative |
* = informal/non-formal usage
| Main Entry: | meteoric |
| Part of Speech: | adjective |
| Definition: | brief, sudden |
| Synonyms: | dazzling, ephemeral, fleeting, momentary, rapid, spectacular, speedy, swift, transient, flashing, overnight |
| Antonyms: | slow |
| Main Entry: | nimble |
| Part of Speech: | adjective |
| Definition: | dexterous, smart |
| Synonyms: | active, adept, adroit, agile, alert, bright, brisk, clever, deft, handy, light, lissome, lithe, lively, proficient, prompt, quick, quick-witted, ready, skillful, sprightly, spry, swift, vigilant, wide-awake |
| Antonyms: | awkward, clumsy, lumbering, slow, undexterous, unhandy |
| Main Entry: | on the double |
| Part of Speech: | adverb |
| Definition: | very quickly |
| Synonyms: | fast, flat-out*, hastily, hurried, in a flash, lickety-split*, lickety-split, promptly, pronto, quick, quickly, rapidly, speedily, swift, swiftly, chop chop, chop-chop*, double-time, expeditiously, fleetly, full tilt, hurriedly, in double time, in haste, in high gear, like a shot, like greased lightning, like wildfire, snappily |
* = informal/non-formal usage
| Main Entry: | posthaste |
| Part of Speech: | adjective, adverb |
| Definition: | fast |
| Synonyms: | breakneck*, directly, expeditious, flat-out*, fleet, hastily, hasty, headlong, lickety-split*, pell-mell*, promptly, pronto, quick, quickly, rapid, rapidly, speedily, speedy, swift, swiftly, at once, double-quick, fleetly, full tilt, straightaway |
| Antonyms: | eventually, slow, slowly |
* = informal/non-formal usage
| Main Entry: | prompt |
| Part of Speech: | adjective |
| Definition: | early, responsive |
| Synonyms: | alert, apt, brisk, eager, efficient, expeditious, immediate, instant, instantaneous, on the ball*, on the nose*, on time, precise, punctual, quick, rapid, ready, smart, speedy, swift, timely, vigilant, watchful, wide-awake, willing, on the button, on the dot, unhesitating |
| Antonyms: | late, negligent, slow, tardy |
* = informal/non-formal usage
| Main Entry: | quickly |
| Part of Speech: | adverb |
| Definition: | fast |
| Synonyms: | apace, briskly, flat-out*, hastily, immediately, in a flash, instantaneously, instantly, lickety-split*, promptly, pronto, quick, rapidly, speedily, swift, swiftly, chop-chop*, expeditiously, fleetly, full tilt, hurriedly, in haste, in nothing flat, in short order, like a bat out of hell, like a flash, like a shot |
* = informal/non-formal usage
| Main Entry: | rapid |
| Part of Speech: | adjective |
| Definition: | very quick |
| Synonyms: | accelerated, active, agile, breakneck, brisk, double time, expeditious, express, fast, fleet, flying, hasty, hurried, lively, mercurial, nimble, on the double*, precipitate, prompt, ready, speedy, spry, swift, winged, expeditive, fleet of foot, in nothing flat, light-footed, like a house on fire, quick as a wink, quickened, really rolling, screaming |
| Antonyms: | languishing, leisurely, slack, slow |
* = informal/non-formal usage
| Main Entry: | speedy |
| Part of Speech: | adjective |
| Definition: | fast, quick |
| Synonyms: | accelerated, agile, breakneck, brisk, expeditious, express, fleet, hasty, headlong, hurried, immediate, lissome, lively, nimble, precipitate, prompt, rapid, ready, snappy, summary, swift, winged, alacritous, harefooted, quick-fire, rapid-fire, supersonic, ultrasonic |
| Antonyms: | delayed, tardy, halted, slowed |
| Main Entry: | sudden |
| Part of Speech: | adjective |
| Definition: | unexpected; happening quickly |
| Synonyms: | abrupt, accelerated, acute, expeditious, fast, flash, fleet, hasty, headlong, hurried, immediate, impetuous, impromptu, impulsive, out of the blue*, precipitate, precipitous, quick, rapid, rash, rushing, spasmodic, swift, unforeseen, unusual, precipitant, quickened, speeded, subito |
| Antonyms: | expected, slow |
* = informal/non-formal usage
Roget's 21st Century Thesaurus, Third Edition
Copyright © 2009 by the Philip Lief Group.
Cite This Source
Roget's 21st Century Thesaurus, Third Edition
Copyright © 2009 by the Philip Lief Group.
Cite This Source
Copyright © 2009, Dictionary.com, LLC. All rights reserved.
