12 entries under imperceptible topic. ×

26
evanescent(adjective, time, continue, short, limited)
25
momentary(adjective, time, continue, limited, brief)
1
imponderable(adjective, light, weak, slight, unpredictable)
1
intangible(light, weak, slight, imaginary, flimsy)
1
slight(light, weak, subtle, imaginary, flimsy)
1
small(adjective, slight, fine, insignificant, unimportant)
1
subtle(impulsive, unpredictable, unremarkable, explosive)
0
inappreciable
0
tenuous(light, weak, slight, flimsy)
0
unimportant(adjective, insignificant, unperceivable)
0
unnoticeable
0
unobservable
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APASmart Define. (2016). ephemeral thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/ephemeral/thesaurus/synonyms
ChicagoSmart Define. 2016. "ephemeral thesaurus" https://smartdefine.org/ephemeral/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, ephemeral thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/ephemeral/thesaurus/synonyms>.
MLASmart Define. "ephemeral thesaurus" 26 February 2016. Web. 29 September 2026. <https://smartdefine.org/ephemeral/thesaurus/synonyms>