22
minute(noun, adjective, slight, small, insignificant)
20
microscopic(adjective, slight, big, small, limited)
16
little(adjective, slight, small, insignificant, unimportant)
15
diminutive(adjective, small)
14
miniature(adjective, small)
11
minuscule(adjective, slight, small, insignificant, unimportant)
11
small(adjective, light, slight, fine, unimportant)
10
slight(adjective, small, limited, unimportant, insufficient)
9
imperceptible(adjective, hard, big, small, faint)
9
mini
8
inappreciable(adjective, light, slight, small, limited)
8
atomic(adjective, small, last, smallness, minute)
8
insignificant(adjective, important, small, unimportant, trivial)
8
negligible(adjective, slight, small, insignificant, unimportant)
8
teeny(adjective, small)
7
wee(adjective, small, tiny)
7
inconsiderable(adjective, slight, small, insignificant, limited)
7
molecular(adjective, smallness, littleness, microscopic)
7
teeny-weeny(adjective, tiny)
6
invisible(adjective, hidden, unable, littleness)
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APASmart Define. (2015). infinitesimal thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/infinitesimal/thesaurus/synonyms
ChicagoSmart Define. 2015. "infinitesimal thesaurus" https://smartdefine.org/infinitesimal/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, infinitesimal thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/infinitesimal/thesaurus/synonyms>.
MLASmart Define. "infinitesimal thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/infinitesimal/thesaurus/synonyms>