- Definitions|1
- Thesaurus|4.1k
- Abbreviations|0
41 entries under important topic. ×
| significant(adjective, substantial, critical, meaningful) | |
| serious(adjective, false, dishonest, substantial) | |
| big(adjective, slight, poor, thin) | |
| major(adjective, inferior, little) | |
| momentous(adjective, ordinary, insignificant) | |
| substantial(adjective, weak, soft, slight) | |
| weighty(adjective, light, serious) | |
| fundamental(adjective, basic) | |
| consequential(adjective, small, significant, substantial) | |
| meaningful(adjective, substantial, little, meaningless) | |
| prominent(adjective, common) | |
| crucial(adjective, critical) | |
| eminent(adjective, obscure, unknown) | |
| essential(adjective, vital) | |
| key(adjective, insignificant, essential) | |
| relevant(adjective, insignificant, substantial, unrelated) | |
| useful(adjective, substantial) | |
| worthwhile(adjective, substantial, worthless) | |
| cardinal(adjective, key) | |
| chief(adjective, essential) |
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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> |