383 entries under adjective topic. ×
| nauseous(disgusting, sick, unwell, diseased) | |
| unfortunate(bad, evil, negative, disapproving) | |
| dire(inexpedience, arouse bad emotions) | |
| down(noun, health, mean, bad) | |
| hurtful(help, mean, bad, evil) | |
| invalid(mean, weak, sick, green) | |
| malicious(mean, bad, evil, harsh) | |
| mischievous(help, wicked, harmful, unfavorable) | |
| seedy(weak, thin, sick, pale) | |
| threatening(bad, evil, negative, unfavorable) | |
| below par(expression, weak, sick, unwell) | |
| calamitous(negative, disapproving, uncomplimentary, arouse bad emotions) | |
| destructive(rude, negative, vicious, wicked) | |
| laid up(expression, health, informal, sick) | |
| malevolent(mean, bad, evil, harsh) | |
| sinister(bad, evil) | |
| unfriendly(mean, bad, evil, harsh) | |
| unlucky(bad, evil, negative, disapproving) | |
| weak(mean, bad, thin, delicate) | |
| awful |
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| APA | Smart Define. (2016). ill thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/ill/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "ill thesaurus" https://smartdefine.org/ill/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, ill thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/ill/thesaurus/synonyms>. |
| MLA | Smart Define. "ill thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/ill/thesaurus/synonyms> |