| diseased | |
| failing(adjective, adequate) | |
| infirm | |
| liverish | |
| nauseated | |
| seasick | |
| seedy | |
| sickly | |
| unfortunately | |
| upset(strong, sound, composed) | |
| weak | |
| woozy | |
| afflicted | |
| aguish | |
| airsick | |
| autistic | |
| barely | |
| bedfast | |
| bedrid | |
| bronchitic |
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| APA | Smart Define. (2016). well thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/well/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "well thesaurus" https://smartdefine.org/well/thesaurus/antonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, well thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/well/thesaurus/antonyms>. |
| MLA | Smart Define. "well thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/well/thesaurus/antonyms> |