36 entries under poisonous topic. ×
| corrupting(adjective, distressing, injurious, damaging, destructive) | |
| foul(adjective, mean, bad, wrong, evil) | |
| pestilent(adjective, unhealthy, dangerous, fatal, unwholesome) | |
| pestilential(adjective, injurious, damaging, deadly, destructive) | |
| cruel(unkind, upsetting, fatal, lethal) | |
| internecine(adjective, violent, cruel, injurious, damaging) | |
| mortal(adjective, bad, evil, dangerous, injurious) | |
| mephitic(adjective, bad, evil, offensive, corrupt) | |
| murderous(adjective, bad, offensive, violent, foul) | |
| insalutary(adjective, offensive, foul, disgusting) | |
| poison(adjective, bad, offensive, corrupt, foul) | |
| stinking(adjective, bad, offensive, corrupt, foul) | |
| fetid(offensive, foul, disgusting, toxic) | |
| putrid(offensive, foul, disgusting, toxic) | |
| sickly(offensive, foul, disgusting, toxic) | |
| spoiled |
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| APA | Smart Define. (2016). harmful thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/harmful/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "harmful thesaurus" https://smartdefine.org/harmful/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2016, harmful thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/harmful/thesaurus/synonyms>. |
| MLA | Smart Define. "harmful thesaurus" 24 March 2016. Web. 28 September 2026. <https://smartdefine.org/harmful/thesaurus/synonyms> |