52 entries under adjective topic. ×
| basic | |
| main | |
| necessary | |
| integral | |
| needful | |
| principal | |
| vital | |
| indispensable | |
| chief | |
| fundamental | |
| basal | |
| central | |
| consequential | |
| considerable | |
| constitutive | |
| critical | |
| crucial | |
| drastic | |
| elemental | |
| elementary |
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| APA | Smart Define. (2016). supplementary thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/supplementary/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "supplementary thesaurus" https://smartdefine.org/supplementary/thesaurus/antonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2016, supplementary thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/supplementary/thesaurus/antonyms>. |
| MLA | Smart Define. "supplementary thesaurus" 19 February 2016. Web. 27 September 2026. <https://smartdefine.org/supplementary/thesaurus/antonyms> |