289 entries under adjective topic. ×
| unsanitary(dirty, unhealthy, harmful, polluted) | |
| wicked(mean, bad, wrong, evil) | |
| yucky(bad, offensive, awful, dirty) | |
| acute(dangerous, endured) | |
| base(evil, shameful, depraved) | |
| gruesome | |
| heinous | |
| hideous | |
| horrendous | |
| icky(bad, offensive, awful, dirty) | |
| insanitary(harmful, injurious, detrimental) | |
| malefic(negative, harmful, injurious, damaging) | |
| obscene(bad, offensive, foul, revolting) | |
| strong(rank, corrupt, foul, disgusting) | |
| contaminated(dirty, disagreeable, unhealthy, sour) | |
| cruel(mean, nasty, harsh, violent) | |
| despicable(evil, shameful, depraved) | |
| dire(harmful, injurious, damaging, deadly) | |
| foetid | |
| funky(bad, foul, musty, pungent) |
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| APA | Smart Define. (2015). noxious thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/noxious/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "noxious thesaurus" https://smartdefine.org/noxious/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, noxious thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/noxious/thesaurus/synonyms>. |
| MLA | Smart Define. "noxious thesaurus" 17 July 2015. Web. 24 September 2026. <https://smartdefine.org/noxious/thesaurus/synonyms> |