| touchy(calm, strong) | |
| troubled | |
| unapproachable(adjective, difficult) | |
| unavailable | |
| uncompromising | |
| unforgiving(adjective, hostile) | |
| unstable(clear, sound, steady) | |
| unstoppable | |
| vexed | |
| worried | |
| uncomfortable(adjective, rough, painful) | |
| active | |
| apprehensive | |
| ascertain | |
| authoritarian | |
| baffling | |
| bare | |
| bitter(calm, hot, benevolent) | |
| brutal | |
| cantankerous(adjective, pleasant, difficult, crabby) |
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| APA | Smart Define. (2016). easy thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/easy/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "easy thesaurus" https://smartdefine.org/easy/thesaurus/antonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, easy thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/easy/thesaurus/antonyms>. |
| MLA | Smart Define. "easy thesaurus" 24 March 2016. Web. 23 September 2026. <https://smartdefine.org/easy/thesaurus/antonyms> |