Synonyms|294Antonyms|118|Broader|9Narrower|0Related|763
4
unstable(adjective, short, limited, impulsive, unpredictable)
3
instantaneous(adjective, transient, transientness)
3
capricious(impulsive, unpredictable, explosive)
3
fleet(adjective, time, continue)
3
flying(short, brief, temporary, transitory, short-lived)
3
immaterial(light, weak, slight, imaginary, flimsy)
3
imperceptible(adjective, hard, faint)
3
short-range(adjective, temporary)
3
stopgap
3
transitional
3
unenduring(adjective, passing, transient, momentary, short-lived)
2
casual(adjective, transient, transitory, short-lived)
2
draft
2
elastic(adjective, impulsive, unpredictable, explosive)
2
ephemeron
2
erratic(adjective, impulsive, unpredictable, explosive)
2
frail(light, weak, slight, imaginary, flimsy)
2
impulsive(unpredictable, explosive)
2
limited
2
overnight
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APASmart Define. (2016). ephemeral thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/ephemeral/thesaurus/synonyms
ChicagoSmart Define. 2016. "ephemeral thesaurus" https://smartdefine.org/ephemeral/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, ephemeral thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/ephemeral/thesaurus/synonyms>.
MLASmart Define. "ephemeral thesaurus" 26 February 2016. Web. 23 September 2026. <https://smartdefine.org/ephemeral/thesaurus/synonyms>