91 entries under adjective topic. ×

15
famous(bad, weak, unknown)
12
substantial(important, significant, ample)
11
important(outstanding, significant, substantial, valuable)
11
significant(substantial, meaningful, telling)
9
royal
7
big(significant, substantial)
7
consequential(small, significant, substantial)
7
distinguished
6
gorgeous(dull, bad, unattractive)
5
meaningful(significant, substantial, little, meaningless)
5
major(important, inferior, significant, substantial)
5
valuable(significant, substantial)
4
momentous(important, ordinary)
4
awesome
4
eminent(obscure, unknown)
4
essential
4
fateful
4
great(important, celebrated)
4
handsome
4
key(important, unimportant, essential)
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APASmart Define. (2016). insignificant thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/insignificant/thesaurus/antonyms
ChicagoSmart Define. 2016. "insignificant thesaurus" https://smartdefine.org/insignificant/thesaurus/antonyms (accessed September 26, 2026).
HarvardSmart Define 2016, insignificant thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/insignificant/thesaurus/antonyms>.
MLASmart Define. "insignificant thesaurus" 29 March 2016. Web. 26 September 2026. <https://smartdefine.org/insignificant/thesaurus/antonyms>