15 entries under usual topic. ×
| fundamental(noun, adjective, part, decrease, important) | |
| essential(noun, adjective, decrease, common) | |
| necessary(adjective, common, unimportant, trivial) | |
| main(adjective, common, inferior, principal) | |
| needed(adjective, common) | |
| normal(adjective, common) | |
| basic(noun, adjective, decrease, common, insignificant) | |
| integral(adjective, common) | |
| elementary(adjective, common, advanced) | |
| common | |
| commonplace(adjective, common) | |
| old(adjective, common) | |
| ordinary(adjective, common) | |
| used(adjective, common) | |
| worn(adjective, common) |
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| APA | Smart Define. (2016). extra thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/extra/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "extra thesaurus" https://smartdefine.org/extra/thesaurus/antonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, extra thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/extra/thesaurus/antonyms>. |
| MLA | Smart Define. "extra thesaurus" 30 March 2016. Web. 23 September 2026. <https://smartdefine.org/extra/thesaurus/antonyms> |