79 entries under adjective topic. ×

3
superfluous(characteristic, reasonable, weakness, insignificance)
3
tenuous(characteristic, weakness, insignificance)
3
unessential(characteristic, weakness, insignificance)
3
uninfluential(characteristic, weakness, insignificance)
3
unserious(characteristic, weakness, insignificance)
2
dependent(importance, valuable, duty, reliable)
2
meaningless(dull, weak, reasonable, little)
2
nonimportant(characteristic, unimportance)
2
secondary(dull, weak, useful, little)
2
unnecessary(dull, weak, little)
1
little(dull, weak, important)
1
nonessential(dull, weak, important, essential)
1
inessential(dull, weak, little)
1
subordinate(strong, main, lesser, supplementary)
1
trite(silly, original, commonplace)
1
uncritical(dull, weak, casual, little)
1
unsubstantial(dull, weak, little)
1
useless(dull, weak, little)
1
voluntary(dull, weak, little)
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APASmart Define. (2016). important thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/important/thesaurus/antonyms
ChicagoSmart Define. 2016. "important thesaurus" https://smartdefine.org/important/thesaurus/antonyms (accessed September 24, 2026).
HarvardSmart Define 2016, important thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/important/thesaurus/antonyms>.
MLASmart Define. "important thesaurus" 29 March 2016. Web. 24 September 2026. <https://smartdefine.org/important/thesaurus/antonyms>