| APA | Smart Define. (2013). what's new thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/what%27s_new/thesaurus/antonyms |
| Chicago | Smart Define. 2013. "what's new thesaurus" https://smartdefine.org/what%27s_new/thesaurus/antonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2013, what's new thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/what%27s_new/thesaurus/antonyms>. |
| MLA | Smart Define. "what's new thesaurus" 18 May 2013. Web. 30 September 2026. <https://smartdefine.org/what%27s_new/thesaurus/antonyms> |