Synonyms|464Antonyms|118|Broader|6Narrower|15Related|763
3
awhile
3
disappearing(adjective, transient, short-lived)
3
dying
3
elastic(adjective, impulsive, unpredictable, explosive)
3
fasting
3
fitful(adjective, capricious)
3
fluctuating(adjective, capricious)
3
frivolous(adjective, impulsive, unpredictable, capricious, explosive)
3
headlong(adjective, quick, speedy, sudden, hurried)
3
immediate(adjective, quick, rapid, speedy, instant)
3
impalpable
3
impetuous(adjective, quick, speedy, sudden, hurried)
3
indecisive(adjective, capricious, motiveless)
3
insubstantial
3
intangible
3
interim
3
kaleidoscopic
3
makeshift
3
moving
3
out of the blue(adjective, sudden)
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APASmart Define. (2016). fleeting thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/fleeting/thesaurus/synonyms
ChicagoSmart Define. 2016. "fleeting thesaurus" https://smartdefine.org/fleeting/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, fleeting thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/fleeting/thesaurus/synonyms>.
MLASmart Define. "fleeting thesaurus" 29 March 2016. Web. 24 September 2026. <https://smartdefine.org/fleeting/thesaurus/synonyms>