- Definitions|2
- Thesaurus|798
- Abbreviations|0
24 entries under poisonous topic. ×
| pestiferous(adjective, harmful, dangerous, fatal) | |
| lethal(adjective, harmful, dangerous, deadly, fatal) | |
| harmful(adjective, unhealthy, dangerous, fatal, unwholesome) | |
| unhealthy(adjective, unhealthy, harmful, diseased, unwholesome) | |
| deleterious(adjective, harmful, dangerous, fatal) | |
| hurtful(adjective, harmful, toxic) | |
| injurious(adjective, unhealthy, harmful, dangerous, fatal) | |
| insalubrious(adjective, unhealthy, harmful, toxic) | |
| noisome(harmful, toxic, insalubrity) | |
| unwholesome(adjective, unhealthy, harmful, virulent) | |
| venomous(adjective, unhealthy, harmful, fatal, unwholesome) | |
| destructive(adjective, unhealthy, harmful, dangerous, fatal) | |
| detrimental(adjective, harmful, dangerous, toxic) | |
| toxic(adjective, unhealthy, harmful, fatal, unwholesome) | |
| corrupting(adjective, harmful, dangerous, catching) | |
| sickly(adjective, harmful, diseased, toxic) | |
| dangerous(harmful, fatal, toxic, lethal) | |
| foul(harmful, toxic) | |
| insalutary(harmful, toxic) | |
| fetid(harmful, toxic) |
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| APA | Smart Define. (2015). pestilent thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/pestilent/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "pestilent thesaurus" https://smartdefine.org/pestilent/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2015, pestilent thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/pestilent/thesaurus/synonyms>. |
| MLA | Smart Define. "pestilent thesaurus" 14 April 2015. Web. 30 September 2026. <https://smartdefine.org/pestilent/thesaurus/synonyms> |