70 entries under adjective topic. ×
| unexplained | |
| unheard | |
| unnoted | |
| unnoticeable | |
| unprecedented(exceptional, original) | |
| unrecognized | |
| untold | |
| unusual | |
| vague | |
| withdrawn(remote, hidden) |
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| APA | Smart Define. (2015). known thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/known/thesaurus/antonyms |
| Chicago | Smart Define. 2015. "known thesaurus" https://smartdefine.org/known/thesaurus/antonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, known thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/known/thesaurus/antonyms>. |
| MLA | Smart Define. "known thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/known/thesaurus/antonyms> |