- Definitions|2
- Thesaurus|215
- Abbreviations|0
37 entries under poisonous topic. ×
| poison(noun, adjective, help, substance, death) | |
| toxic(adjective, help) | |
| venomous(adjective, help, hateful) | |
| virulent(adjective, help, lethal) | |
| deadly | |
| baneful | |
| destructive | |
| malignant | |
| mephitic(adjective, help) | |
| mephitical(adjective, help) | |
| noxious | |
| vicious | |
| bad(adjective, informal) | |
| dangerous | |
| evil | |
| fatal | |
| lethal | |
| malicious | |
| mortal | |
| pernicious |
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| APA | Smart Define. (2015). toxicant thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/toxicant/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "toxicant thesaurus" https://smartdefine.org/toxicant/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2015, toxicant thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/toxicant/thesaurus/synonyms>. |
| MLA | Smart Define. "toxicant thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/toxicant/thesaurus/synonyms> |