- Definitions|2
- Thesaurus|798
- Abbreviations|0
15 entries under lethal topic. ×
| baneful(adjective, help, unhealthy, dangerous, injurious) | |
| deadly(adjective, help, unhealthy, harmful, dangerous) | |
| noxious(adjective, help, unhealthy, dangerous, injurious) | |
| pernicious(adjective, help, bad, unhealthy, dangerous) | |
| fatal(adjective, dangerous, deadly) | |
| pestiferous(adjective, harmful, dangerous, fatal, poisonous) | |
| pestilential(adjective, help, unhealthy, dangerous, deadly) | |
| poisonous(adjective, unhealthy, harmful, deadly, fatal) | |
| malignant(adjective, help, unhealthy) | |
| deathly | |
| mortal(adjective, dangerous, deadly) | |
| virulent(adjective, help, unhealthy, deadly, fatal) | |
| deleterious(adjective, harmful, dangerous, fatal, poisonous) | |
| toxic(adjective, unhealthy, harmful, fatal, unwholesome) | |
| dangerous(harmful, fatal, poisonous, toxic) |
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| APA | Smart Define. (2015). pestilent thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/pestilent/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "pestilent thesaurus" https://smartdefine.org/pestilent/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, pestilent thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/pestilent/thesaurus/synonyms>. |
| MLA | Smart Define. "pestilent thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/pestilent/thesaurus/synonyms> |