6
Lilliputian(adjective, tiny)
6
teensy-weensy(adjective, tiny)
5
evanescent(adjective, smallness, littleness)
5
petite
4
bantam
4
corpuscular(smallness, littleness)
4
impalpable
4
itty-bitty
4
midget
4
minimal(adjective, insignificant, last, unimportant, trivial)
4
pygmy
4
subatomic(smallness, littleness)
4
teensy(adjective, tiny)
3
elfin
3
embryonic
3
inconsequential(adjective, unimportant, trivial, minor, senseless)
3
intangible
3
itsy-bitsy
3
marginal
3
micro
11 years ago|9.3k views|share |citing 
APASmart Define. (2015). infinitesimal thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/infinitesimal/thesaurus/synonyms
ChicagoSmart Define. 2015. "infinitesimal thesaurus" https://smartdefine.org/infinitesimal/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, infinitesimal thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/infinitesimal/thesaurus/synonyms>.
MLASmart Define. "infinitesimal thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/infinitesimal/thesaurus/synonyms>