- Definitions|1
- Thesaurus|4.1k
- Abbreviations|0
12 entries under substantial topic. ×
| important(adjective, dull, weak, outstanding) | |
| significant(adjective, important, critical, meaningful) | |
| serious(adjective, false, important, dishonest) | |
| big(adjective, slight, poor, thin, important) | |
| consequential(adjective, important, small, significant) | |
| meaningful(adjective, important, little, meaningless) | |
| relevant(adjective, important, insignificant, unrelated) | |
| useful(adjective, important) | |
| worthwhile(adjective, important, worthless) | |
| valuable(adjective, important, inexpensive, priceless) | |
| necessary(adjective, important, trivial, essential) | |
| worthy(adjective, important) |
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| APA | Smart Define. (2016). unimportant thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/unimportant/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "unimportant thesaurus" https://smartdefine.org/unimportant/thesaurus/antonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, unimportant thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/unimportant/thesaurus/antonyms>. |
| MLA | Smart Define. "unimportant thesaurus" 28 March 2016. Web. 25 September 2026. <https://smartdefine.org/unimportant/thesaurus/antonyms> |