24 entries under noxious topic. ×
| internecine(adjective, bad, violent, harmful, injurious) | |
| nocuous(adjective, injurious, damaging, destructive) | |
| malicious(injurious, damaging, destructive, venomous) | |
| suicidal(adjective, violent, cruel, harmful, injurious) |
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| APA | Smart Define. (2015). toxic thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/toxic/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "toxic thesaurus" https://smartdefine.org/toxic/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, toxic thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/toxic/thesaurus/synonyms>. |
| MLA | Smart Define. "toxic thesaurus" 17 July 2015. Web. 24 September 2026. <https://smartdefine.org/toxic/thesaurus/synonyms> |