| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | not around for long |
| Synonyms: | brief, deciduous, ephemeral, evanescent, fleeting, fly-by-night, fugacious, fugitive, gone in a heartbeat, impermanent, momentary, of short duration, over in a heartbeat, passing, quick, short, short-haul, short-run, short-term, temporary, transient, transitory |
| Antonyms: | enduring, ethereal, lasting, lengthy, long-lived, permanent |
| Main Entry: | ephemeral |
| 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: | evanescent |
| Part of Speech: | adjective |
| Definition: | transient |
| Synonyms: | brief, disappearing, fading, fleeting, momentary, passing, short-lived, temporary, tenuous, vanishing |
| 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 |
| 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 |
| Main Entry: | little |
| Part of Speech: | adjective |
| Definition: | small in size, amount |
| Synonyms: | Lilliputian, babyish, bantam, brief, cramped, diminutive, dinky, elfin, embryonic, fleeting, hardly any, hasty, immature, imperceptible, inappreciable, inconsiderable, infant, infinitesimal, insufficient, junior, light, limited, meager, microscopic, mini, miniature, minute, not big, not large, peanut, petite, scant, short, short-lived, shrimpy, shriveled, skimpy, slight, snub, sparse, stubby, stunted, teeny, tiny, toy, truncated, undersized, undeveloped, wee, wizened, young |
| Antonyms: | big, enormous, giant, great, huge, immense, large, massive |
| 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 |
| Main Entry: | passing |
| Part of Speech: | adjective |
| Definition: | brief, casual |
| Synonyms: | cursory, ephemeral, evanescent, fleeting, fugacious, fugitive, glancing, hasty, impermanent, momentary, quick, shallow, short, short-lived, slight, superficial, temporary, transient, transitory |
| Antonyms: | lasting, long-lasting, permanent |