16 entries under imperceptible topic. ×

26
ephemeral(adjective, time, continue, short, limited)
22
momentary(adjective, time, continue, limited, brief)
5
inappreciable(adjective, slight, small, unimportant, commonplace)
5
trivial(adjective, slight, important, small, unimportant)
4
immaterial(adjective, slight, small, unimportant, insubstantial)
4
tenuous(adjective, vague, subtle, unremarkable)
3
imponderable
3
microscopic(slight, small, unimportant, commonplace, subtle)
2
inconsiderable(slight, small, unimportant, subtle)
2
insignificant(slight, small, unimportant, subtle)
2
minute(adjective, slight, small, unimportant, subtle)
1
slight(small, unimportant, subtle, insubstantial)
1
small(adjective, slight, fine, insignificant, unimportant)
1
unimportant(adjective, slight, small, insignificant, trifling)
0
unnoticeable
0
unobservable
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APASmart Define. (2016). evanescent thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/evanescent/thesaurus/synonyms
ChicagoSmart Define. 2016. "evanescent thesaurus" https://smartdefine.org/evanescent/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, evanescent thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/evanescent/thesaurus/synonyms>.
MLASmart Define. "evanescent thesaurus" 26 February 2016. Web. 30 September 2026. <https://smartdefine.org/evanescent/thesaurus/synonyms>