| nastiest | |
| not right(expression, adjective, idiom, poor, inferior) | |
| mob | |
| abate | |
| abysmal | |
| give | |
| pessimal | |
| pessimum | |
| poorest(adjective, poor, inferior, champion, prizewinning) | |
| relent(verb, fail, yield) | |
| secondary(adjective, poor, inferior) | |
| accede | |
| accessory | |
| add | |
| adhere | |
| adopt | |
| agent | |
| also-ran | |
| apply | |
| autumn |
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| APA | Smart Define. (2016). best thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/best/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "best thesaurus" https://smartdefine.org/best/thesaurus/antonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, best thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/best/thesaurus/antonyms>. |
| MLA | Smart Define. "best thesaurus" 29 March 2016. Web. 25 September 2026. <https://smartdefine.org/best/thesaurus/antonyms> |