- Definitions|1
- Thesaurus|418
- Abbreviations|0
| unintentional(adjective, uncertain, dubious) | |
| uninvolved(adjective, happy) | |
| unknowing(adjective, public) | |
| unknowledgeable(adjective, indifferent) | |
| unknown(adjective, cool, cold) | |
| unmindful(adjective, indifferent) | |
| unperturbed(adjective, happy) | |
| unremarkable(adjective, cool, cold) | |
| unresponsive(adjective, uncertain, dubious) | |
| unstudied(adjective, uncertain, dubious) | |
| unsure(adjective, uncertain, dubious) | |
| untroubled(adjective, happy) | |
| unwitting(adjective, indifferent) | |
| unworried(adjective, happy) |
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| APA | Smart Define. (2015). in on thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/in_on/thesaurus/antonyms |
| Chicago | Smart Define. 2015. "in on thesaurus" https://smartdefine.org/in_on/thesaurus/antonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, in on thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/in_on/thesaurus/antonyms>. |
| MLA | Smart Define. "in on thesaurus" 21 December 2015. Web. 27 September 2026. <https://smartdefine.org/in_on/thesaurus/antonyms> |