36 entries under poisonous topic. ×
| unwholesome(adjective, rotten, harmful, toxic) | |
| unhealthy(adjective, risky, harmful, killing, dangerous) | |
| corrupting(harmful, toxic) | |
| noisome(adjective, bad, evil, harmful, injurious) | |
| pestiferous(adjective, bad, evil, harmful, injurious) | |
| insalubrious(adjective, harmful, unwholesome, toxic) | |
| toxicant | |
| fetid(harmful, toxic) | |
| foul(harmful, toxic) | |
| insalutary(harmful, toxic) | |
| mephitical | |
| putrid(harmful, toxic) | |
| sickly(harmful, toxic) | |
| spoiled(rotten, harmful, toxic) | |
| stinking(harmful, toxic) | |
| unhealthful(harmful, toxic) |
For more, visit
Lethal on
Power Thesaurus
| APA | Smart Define. (2015). lethal thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/lethal/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "lethal thesaurus" https://smartdefine.org/lethal/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, lethal thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/lethal/thesaurus/synonyms>. |
| MLA | Smart Define. "lethal thesaurus" 17 July 2015. Web. 24 September 2026. <https://smartdefine.org/lethal/thesaurus/synonyms> |