57 entries under adjective topic. ×
| outrageous | |
| painful | |
| petulant | |
| repulsive | |
| revolting | |
| serious | |
| severe | |
| shocking | |
| sickening | |
| stupid | |
| terrific | |
| ugly | |
| unholy | |
| unpleasant | |
| unspeakable | |
| villainous | |
| wicked |
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| APA | Smart Define. (2016). swell thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/swell/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "swell thesaurus" https://smartdefine.org/swell/thesaurus/antonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2016, swell thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/swell/thesaurus/antonyms>. |
| MLA | Smart Define. "swell thesaurus" 29 March 2016. Web. 29 September 2026. <https://smartdefine.org/swell/thesaurus/antonyms> |