4
flickering(adjective, transient)
4
flying(short, brief, temporary, transitory, short-lived)
4
immaterial(adjective, slight, small, unimportant, insubstantial)
4
infinitesimal(adjective, smallness, littleness)
4
instantaneous(adjective, transient, transientness)
4
little(adjective, slight, small, insignificant, unimportant)
4
perishable(adjective, present, short, limited, brief)
4
pro tem(adjective, temporary)
4
provisional
4
restless(adjective, transient)
4
tenuous(adjective, vague, subtle, imperceptible, unremarkable)
3
embryonic
3
fleet(adjective, time, continue)
3
imponderable(adjective, imperceptible)
3
insubstantial
3
invisible(adjective, littleness)
3
makeshift
3
microscopic(slight, small, unimportant, commonplace, subtle)
3
molecular(smallness, littleness)
3
quick(adjective, transient, transitory, short-lived)
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APASmart Define. (2016). evanescent thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/evanescent/thesaurus/synonyms
ChicagoSmart Define. 2016. "evanescent thesaurus" https://smartdefine.org/evanescent/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, evanescent thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/evanescent/thesaurus/synonyms>.
MLASmart Define. "evanescent thesaurus" 26 February 2016. Web. 24 September 2026. <https://smartdefine.org/evanescent/thesaurus/synonyms>