11 entries under imperceptible topic. ×

22
minute(noun, adjective, slight, small, insignificant)
20
microscopic(adjective, slight, big, small, limited)
11
small(adjective, light, slight, fine, unimportant)
10
slight(adjective, small, limited, unimportant, insufficient)
8
inappreciable(adjective, light, slight, small, limited)
8
insignificant(adjective, important, small, unimportant, trivial)
7
inconsiderable(adjective, slight, small, insignificant, limited)
2
unnoticeable(adjective, small)
2
imponderable
2
trivial(adjective, last, unimportant, minor, faint)
0
unobservable
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APASmart Define. (2015). infinitesimal thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/infinitesimal/thesaurus/synonyms
ChicagoSmart Define. 2015. "infinitesimal thesaurus" https://smartdefine.org/infinitesimal/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, infinitesimal thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/infinitesimal/thesaurus/synonyms>.
MLASmart Define. "infinitesimal thesaurus" 14 April 2015. Web. 1 October 2026. <https://smartdefine.org/infinitesimal/thesaurus/synonyms>