3
puny(adjective, characteristic, strong, weakness, insignificance)
3
scant(adjective, characteristic, weakness, adequate, insignificance)
3
superfluous(adjective, characteristic, reasonable, weakness, insignificance)
3
tenuous(adjective, characteristic, weakness, insignificance)
3
unessential(adjective, characteristic, weakness, insignificance)
3
uninfluential(adjective, characteristic, weakness, insignificance)
3
unserious(adjective, characteristic, weakness, insignificance)
2
dependent(adjective, importance, valuable, duty, reliable)
2
meaningless(adjective, dull, weak, reasonable, little)
2
nonimportant(adjective, characteristic, unimportance)
2
secondary(adjective, dull, weak, useful, little)
2
unnecessary(adjective, dull, weak, little)
1
little(adjective, dull, weak, important)
1
nonessential(adjective, dull, weak, important, essential)
1
inessential(adjective, dull, weak, little)
1
subordinate(adjective, strong, main, lesser, supplementary)
1
trite(adjective, silly, original, commonplace)
1
uncritical(adjective, dull, weak, casual, little)
1
under the radar
1
unsubstantial(adjective, dull, weak, little)
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APASmart Define. (2016). important thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/important/thesaurus/antonyms
ChicagoSmart Define. 2016. "important thesaurus" https://smartdefine.org/important/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2016, important thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/important/thesaurus/antonyms>.
MLASmart Define. "important thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/important/thesaurus/antonyms>