- Definitions|1
- Thesaurus|4.1k
- Abbreviations|0
105 entries under adjective topic. ×
| essential(important, vital) | |
| grave(dangerous, crucial) | |
| key(important, insignificant, essential) | |
| outstanding(weak, poor, low) | |
| relevant(important, insignificant, substantial, unrelated) | |
| useful(important, substantial) | |
| worthwhile(important, substantial, worthless) | |
| illustrious(bad, poor, famous, prominent) | |
| main(common, inferior, principal, predominant) | |
| capital(superior, inferior, insignificant, essential) | |
| cardinal(important, key) | |
| chief(important, essential) | |
| considerable(poor, little) | |
| critical | |
| dire(crucial, urgent) | |
| effective | |
| eventful | |
| fatal(important, critical) | |
| fateful | |
| foremost(order, first) |
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| APA | Smart Define. (2016). unimportant thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/unimportant/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "unimportant thesaurus" https://smartdefine.org/unimportant/thesaurus/antonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, unimportant thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/unimportant/thesaurus/antonyms>. |
| MLA | Smart Define. "unimportant thesaurus" 28 March 2016. Web. 26 September 2026. <https://smartdefine.org/unimportant/thesaurus/antonyms> |