| Main Entry: | impermanent |
| Part of Speech: | adjective |
| Definition: | fleeting |
Synonyms: |
ephemeral, evanescent, passing, perishable, temporary, transient |
Antonyms: |
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: | 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: | migrant/migratory |
| Part of Speech: | adjective |
| Definition: | moving, traveling |
Synonyms: |
casual, changing, drifting, emigrating, errant, gypsy, immigrant, immigrating, impermanent, itinerant, migrative, migratorial, mobile, nomad, nomadic, on the move, passing over, passing through, peripatetic, ranging, roving, seasonal, shifting, temporary, tramp, transient, transmigratory, unsettled, vagabond, vagrant, wandering |
Antonyms: |
staying |
| 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: | mortal |
| Part of Speech: | adjective |
| Definition: | human |
Synonyms: |
animate, bipedal, corporeal, creatural, earthly, ecce homo, ephemeral, evanescent, fading, finite, frail, fugacious, impermanent, momentary, passing, perishable, precarious, sublunary, temporal, transient, weak, worldly |
Antonyms: |
animal, immortal, inhuman, plant |
| 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 |
| Main Entry: | short-lived |
| 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 |