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| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | momentary, passing |
| Synonyms: | brief, episodic, evanescent, fleeting, flitting, fugacious, fugitive, impermanent, short, short-lived, temporary, transient, transitory, unenduring, volatile |
| Antonyms: | enduring, eternal, everlasting, interminable, lasting, long, permanent, perpetual |
| Main Entry: | brief |
| Part of Speech: | adjective |
| Definition: | short in time |
| Synonyms: | concise, curtailed, ephemeral, fast, fleeting, hasty, instantaneous, little, meteoric, momentary, passing, quick, short-lived, short-term, swift, temporary, transient, transitory |
| Antonyms: | enduring, lasting, lengthy, long, long-lived |
| Main Entry: | fleeting |
| Part of Speech: | adjective |
| Definition: | brief, transient |
| Synonyms: | cursory, ephemeral, evanescent, fading, flash in the pan, flitting, flying, fugacious, fugitive, impermanent, meteoric, momentary, passing, short, short-lived, sudden, temporary, transitory, vanishing, volatile |
| Antonyms: | constant, continual, endless, enduring, lasting, lengthy, long, long-lived, permanent, perpetual |
| Main Entry: | fly-by-night |
| Part of Speech: | adjective |
| Definition: | unreliable and shady |
| Synonyms: | brief, cowboy, disreputable, dubious, ephemeral, evanescent, fleeting, here-today-gone-tomorrow, impermanent, irresponsible, momentary, not to be relied upon, not to be trusted, passing, questionable, shady, shifty, short-lived, slimy*, slippery*, temporary, treacherous, trustless, undependable, unprofessional, unreliable, unsure, untrustworthy |
| Antonyms: | dependable, reliable, reputable, responsible, trustworthy |
* = informal/non-formal usage
| Main Entry: | fugitive |
| Part of Speech: | adjective |
| Definition: | fleeing, transient |
| Synonyms: | avoiding, brief, criminal, elusive, ephemeral, errant, erratic, escaping, evading, evanescent, fleeting, flitting, flying*, fugacious, hot*, impermanent, lamster, momentary, moving, on the lam, passing, planetary, running away, short*, short-lived, temporary, transitory, unstable, volatile, wandering, wanted |
| Antonyms: | confronting, facing, permanent |
* = informal/non-formal usage
| Main Entry: | imperceptible |
| Part of Speech: | adjective |
| Definition: | hard to sense; faint |
| Synonyms: | ephemeral, evanescent, fine, gradual, impalpable, imponderable, inappreciable, inaudible, inconsiderable, inconspicuous, indiscernible, indistinct, indistinguishable, infinitesimal, insensible, insignificant, invisible, microscopic, minute, momentary, shadowy, slight, small, subtle, tiny, trivial, undetectable, unnoticeable, vague |
| Antonyms: | apparent, conspicuous, distinct, evident, noticeable, obvious, perceptible, seeable, striking, unobscured |
| Main Entry: | insubstantial |
| Part of Speech: | adjective |
| Definition: | weak, imaginary |
| Synonyms: | aerial, airy, chimerical, decrepit, ephemeral, false, fanciful, feeble, flimsy, fly-by-night, fragile, frail, idle, illusory, immaterial, imponderable, incorporeal, infirm, intangible, metaphysical, petty, poor, puny, slender, slight, tenuous, thin, too little too late, unreal, unsound, unsubstantial |
| Antonyms: | real, strong, substantial |
| Main Entry: | meteoric |
| Part of Speech: | adjective |
| Definition: | brief, sudden |
| Synonyms: | dazzling, ephemeral, flashing, fleeting, momentary, overnight, rapid, spectacular, speedy, swift, transient |
| Antonyms: | slow |
| Main Entry: | momentary |
| Part of Speech: | adjective |
| Definition: | brief, fleeting |
| Synonyms: | cursory, dreamlike, ephemeral, evanescent, flashing, flitting, flying, fugacious, fugitive, gone in flash, hasty, impermanent, impulsive, in wink of an eye, instantaneous, like lightning, passing, quick, shifting, short, short-lived, spasmodic, summary, temporary, transient, transitory, vanishing, volatile |
| Notes: | momentary means fleeting, brief; momentous means significant and having great consequence |
| Antonyms: | lasting, long-lasting, permanent, staying |
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.
