69 entries under dreadful topic. ×
| surly(adjective, unpleasant, horrible, disagreeable) | |
| threatening(adjective, unpleasant, horrible, disagreeable) | |
| treacherous(adjective, unpleasant, horrible, disagreeable) | |
| troublesome(adjective, unpleasant, horrible, disagreeable) | |
| troublous(adjective, unpleasant, horrible, disagreeable) | |
| truculent(adjective, unpleasant, horrible, disagreeable) | |
| vexatious(adjective, unpleasant, horrible, disagreeable) | |
| vicious(adjective, unpleasant, horrible, disagreeable) | |
| wretched(adjective, unpleasant, awful, terrible, disgusting) |
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| APA | Smart Define. (2015). nauseous thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/nauseous/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "nauseous thesaurus" https://smartdefine.org/nauseous/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, nauseous thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/nauseous/thesaurus/synonyms>. |
| MLA | Smart Define. "nauseous thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/nauseous/thesaurus/synonyms> |