10 entries under adjective topic. ×
| never | |
| future | |
| prospective | |
| unborn | |
| executory | |
| forthcoming | |
| impending | |
| intended | |
| pending | |
| ulterior |
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| APA | Smart Define. (2016). once thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/once/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "once thesaurus" https://smartdefine.org/once/thesaurus/antonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, once thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/once/thesaurus/antonyms>. |
| MLA | Smart Define. "once thesaurus" 30 March 2016. Web. 24 September 2026. <https://smartdefine.org/once/thesaurus/antonyms> |