50 entries under poisonous topic. ×
| deleterious(adjective, mean, bad, evil, nasty) | |
| detrimental(adjective, mean, bad, evil, nasty) | |
| foul(adjective, harmful, malevolent, toxic) | |
| corrupting(harmful, inexpedience, toxic) | |
| noisome(adjective, bad, evil, harmful, injurious) | |
| pestiferous(adjective, bad, evil, harmful, injurious) | |
| pestilent(adjective, unhealthy, harmful, fatal, unwholesome) | |
| pestilential(adjective, bad, evil, harmful, injurious) | |
| grim(adjective, mean, violent, cruel, hateful) | |
| unhealthy(adjective, harmful, unwholesome, virulent) | |
| unwholesome(adjective, unhealthy, rotten, harmful) | |
| cruel(adjective, mean, strong, severe, nasty) | |
| insalubrious(adjective, harmful, unwholesome, toxic) | |
| mephitical(adjective, help) | |
| violent(strong, brutal, ferocious, menacing, fatal) | |
| bloodthirsty(strong, violent, brutal, ferocious, menacing) | |
| internecine(adjective, violent, cruel, harmful, injurious) | |
| murderous(strong, violent, brutal, ferocious, menacing) | |
| powerful(adjective, strong, severe, intense, violent) | |
| ruthless(adjective, mean, violent, cruel, hateful) |
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| APA | Smart Define. (2015). venomous thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/venomous/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "venomous thesaurus" https://smartdefine.org/venomous/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2015, venomous thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/venomous/thesaurus/synonyms>. |
| MLA | Smart Define. "venomous thesaurus" 11 September 2015. Web. 30 September 2026. <https://smartdefine.org/venomous/thesaurus/synonyms> |