289 entries under adjective topic. ×
| extreme | |
| fulsome | |
| grewsome | |
| grisly | |
| harrowing | |
| harsh | |
| horrifying | |
| infected(dirty, corrupt, disgusting, unhealthy) | |
| infectious(catching, spreading) | |
| inimical(negative, antagonistic, contrary, harmful) | |
| insufferable | |
| insupportable | |
| intense | |
| intolerable | |
| lousy(bad, offensive, unpleasant, foul) | |
| lurid | |
| macabre | |
| maleficent | |
| moldy(rank, corrupt, foul, disgusting) | |
| monstrous |
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| APA | Smart Define. (2015). noxious thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/noxious/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "noxious thesaurus" https://smartdefine.org/noxious/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, noxious thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/noxious/thesaurus/synonyms>. |
| MLA | Smart Define. "noxious thesaurus" 17 July 2015. Web. 23 September 2026. <https://smartdefine.org/noxious/thesaurus/synonyms> |