| main(adjective, common, inferior, principal, predominant) | |
| fundamental(noun, adjective, part, important, basic) | |
| organic(adjective, unimportant, inorganic) | |
| important(adjective, main) | |
| basic(adjective, insignificant, intricate) | |
| essential(noun, adjective, important, basic, vital) | |
| indispensable | |
| unsupportive | |
| primary | |
| body(adjective, main, telepathic, supersensitive, subliminal) | |
| needful | |
| principal(adjective, important) | |
| vital | |
| chief(adjective, inferior, unimportant, main) | |
| dominant(adjective, weak, inferior, unimportant) | |
| grand(adjective, minor) | |
| head(adjective, important, inferior, unimportant, chief) | |
| inductive | |
| inherent | |
| key(adjective, insignificant, unimportant) |
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| APA | Smart Define. (2015). auxiliary thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/auxiliary/thesaurus/antonyms |
| Chicago | Smart Define. 2015. "auxiliary thesaurus" https://smartdefine.org/auxiliary/thesaurus/antonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, auxiliary thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/auxiliary/thesaurus/antonyms>. |
| MLA | Smart Define. "auxiliary thesaurus" 22 December 2015. Web. 25 September 2026. <https://smartdefine.org/auxiliary/thesaurus/antonyms> |