36 entries under poisonous topic. ×
| deadly(adjective, bad, evil, live, harmful) | |
| fatal(adjective, bad, evil, live, harmful) | |
| mortal(adjective, bad, evil, live, harmful) | |
| toxic(adjective, bad, evil, harmful, dangerous) | |
| harmful(adjective, bad, evil, risky, dangerous) | |
| pernicious(adjective, bad, evil, harmful, injurious) | |
| virulent(adjective, rotten, harmful, deadly, fatal) | |
| noxious(adjective, bad, evil, harmful, dangerous) | |
| pestilent(adjective, harmful, dangerous, deadly, fatal) | |
| baleful(adjective, bad, evil, harmful, injurious) | |
| venomous(adjective, bad, evil, hateful, rotten) | |
| baneful(adjective, bad, evil, harmful, injurious) | |
| dangerous(adjective, bad, rotten, deadly, fatal) | |
| hurtful(adjective, bad, evil, harmful, injurious) | |
| injurious(adjective, bad, harmful, dangerous, damaging) | |
| deleterious(adjective, bad, evil, harmful, injurious) | |
| detrimental(adjective, bad, evil, harmful, dangerous) | |
| internecine(adjective, violent, cruel, harmful, killing) | |
| pestilential(adjective, bad, evil, harmful, injurious) | |
| suicidal(adjective, violent, cruel, harmful, killing) |
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| APA | Smart Define. (2015). lethal thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/lethal/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "lethal thesaurus" https://smartdefine.org/lethal/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, lethal thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/lethal/thesaurus/synonyms>. |
| MLA | Smart Define. "lethal thesaurus" 17 July 2015. Web. 23 September 2026. <https://smartdefine.org/lethal/thesaurus/synonyms> |