- Definitions|1
- Thesaurus|4.1k
- Abbreviations|0
| important(adjective, dull, weak, outstanding, substantial) | |
| notorious | |
| famous(bad, weak, unknown) | |
| significant(adjective, important, substantial, critical, meaningful) | |
| awesome(adjective, good, bad) | |
| serious(adjective, false, important, dishonest, substantial) | |
| big(adjective, slight, poor, thin, important) | |
| major(adjective, important, inferior, little) | |
| momentous(adjective, important, ordinary, insignificant) | |
| powerful | |
| substantial(adjective, weak, soft, slight, important) | |
| organic(adjective, inorganic) | |
| weighty(adjective, light, important, serious) | |
| fundamental(adjective, important, basic) | |
| consequential(adjective, important, small, significant, substantial) | |
| meaningful(adjective, important, substantial, little, meaningless) | |
| prominent(adjective, important, common) | |
| vintage(adjective, superior) | |
| burning | |
| central |
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| APA | Smart Define. (2016). unimportant thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/unimportant/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "unimportant thesaurus" https://smartdefine.org/unimportant/thesaurus/antonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, unimportant thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/unimportant/thesaurus/antonyms>. |
| MLA | Smart Define. "unimportant thesaurus" 28 March 2016. Web. 22 September 2026. <https://smartdefine.org/unimportant/thesaurus/antonyms> |