| leading(adjective, low, secondary) | |
| major(adjective, dull) | |
| master(adjective, poor, main, secondary) | |
| necessary(adjective, main) | |
| preparatory(adjective, basic, introductory) | |
| staple(adjective, basic, necessary) | |
| arch(inferior, insignificant) | |
| capital(inferior, insignificant) | |
| ad rem | |
| applicative | |
| base | |
| bottom line(expression, insignificant, unimportant) | |
| champion(bad, poor) | |
| chief ingredient(expression, fact, reality) | |
| coal and ice(expression, idiom, fear) | |
| consequential | |
| considerable | |
| constituent | |
| crucial | |
| crux |
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| APA | Smart Define. (2015). auxiliary thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/auxiliary/thesaurus/antonyms |
| Chicago | Smart Define. 2015. "auxiliary thesaurus" https://smartdefine.org/auxiliary/thesaurus/antonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, auxiliary thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/auxiliary/thesaurus/antonyms>. |
| MLA | Smart Define. "auxiliary thesaurus" 22 December 2015. Web. 26 September 2026. <https://smartdefine.org/auxiliary/thesaurus/antonyms> |