142 entries under adjective topic. ×
| fell(harmful, injurious, damaging, deadly) | |
| fetid(unclean, harmful, poisonous) | |
| filthy | |
| gangrenous | |
| grimy | |
| grubby | |
| grungy | |
| icky | |
| impure | |
| infected | |
| insalutary(harmful, poisonous) | |
| internecine(bad, violent, harmful, injurious) | |
| menacing(dangerous, injurious, damaging, destructive) | |
| mephitical(help, poisonous) | |
| mucky | |
| muddy | |
| nasty | |
| nocuous(injurious, damaging, destructive, noxious) | |
| odious | |
| putrid(heavy, rich, rare, unclean) |
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| APA | Smart Define. (2015). toxic thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/toxic/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "toxic thesaurus" https://smartdefine.org/toxic/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, toxic thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/toxic/thesaurus/synonyms>. |
| MLA | Smart Define. "toxic thesaurus" 17 July 2015. Web. 25 September 2026. <https://smartdefine.org/toxic/thesaurus/synonyms> |