52 entries under detrimental topic. ×
| ruinous(adjective, mean, bad, wrong, evil) | |
| pestiferous(adjective, bad, evil, harmful, injurious) | |
| corrupt(adjective, bad, evil, base, foul) | |
| unsanitary(adjective, dirty, unhealthy, harmful, polluted) | |
| wicked(adjective, mean, bad, wrong, evil) | |
| insanitary(adjective, harmful, injurious) | |
| dire(adjective, harmful, injurious, damaging, deadly) | |
| malicious(adjective, mean, bad, wrong, evil) | |
| painful(adjective, bad, offensive, foul, revolting) | |
| catastrophic(adjective, harmful, injurious, damaging, deadly) | |
| degrading(harmful, injurious) | |
| disastrous(adjective, harmful, injurious, damaging, deadly) | |
| hazardous(adjective, harmful, dangerous, injurious) | |
| perilous(adjective, harmful, dangerous, injurious) | |
| risky(adjective, harmful, dangerous, injurious, damaging) | |
| treacherous(adjective, harmful, dangerous, injurious) | |
| calamitous(adjective, harmful, injurious, damaging, deadly) | |
| cataclysmic(adjective, harmful, injurious, damaging, deadly) | |
| consumptive(adjective, harmful, injurious, damaging, deadly) | |
| internecine(adjective, violent, cruel, harmful, injurious) |
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| APA | Smart Define. (2015). noxious thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/noxious/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "noxious thesaurus" https://smartdefine.org/noxious/thesaurus/synonyms (accessed October 1, 2026). |
| Harvard | Smart Define 2015, noxious thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/noxious/thesaurus/synonyms>. |
| MLA | Smart Define. "noxious thesaurus" 17 July 2015. Web. 1 October 2026. <https://smartdefine.org/noxious/thesaurus/synonyms> |