Synonyms|1.3kAntonyms|350|Broader|9Narrower|12Related|1.5k
1
foolish
1
fragile
1
frail
1
frivolous
1
helpless
1
hole-in-corner
1
immaterial(adjective, important, useful)
1
impotent
1
inapplicable
1
inappreciable
1
jejune
1
marginal
1
meager(substantial, plentiful)
1
moderate(adjective, fair, important, extreme, average)
1
nameless
1
niggardly
1
niggling
1
nugatory
1
obscure
1
picayune
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APASmart Define. (2016). significant thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/significant/thesaurus/antonyms
ChicagoSmart Define. 2016. "significant thesaurus" https://smartdefine.org/significant/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2016, significant thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/significant/thesaurus/antonyms>.
MLASmart Define. "significant thesaurus" 4 March 2016. Web. 23 September 2026. <https://smartdefine.org/significant/thesaurus/antonyms>