- Definitions|2
- Thesaurus|798
- Abbreviations|0
86 entries under adjective topic. ×
| baneful(help, unhealthy, dangerous, injurious) | |
| deadly(help, unhealthy, harmful, dangerous) | |
| noxious(help, unhealthy, dangerous, injurious) | |
| pernicious(help, bad, unhealthy, dangerous) | |
| fatal(dangerous, deadly, lethal) | |
| pestiferous(harmful, dangerous, fatal, poisonous) | |
| pestilential(help, unhealthy, dangerous, deadly) | |
| poisonous(unhealthy, harmful, deadly, fatal) | |
| malignant(help, unhealthy, lethal) | |
| lethal(harmful, dangerous, deadly, fatal) | |
| deathly | |
| harmful(unhealthy, dangerous, fatal, unwholesome) | |
| mortal(dangerous, deadly, lethal) | |
| unhealthy(unhealthy, harmful, diseased, unwholesome) | |
| virulent(help, unhealthy, deadly, fatal) | |
| infectious(dangerous, catching, spreading, transferable) | |
| bothersome | |
| deleterious(harmful, dangerous, fatal, poisonous) | |
| galling | |
| hurtful(harmful, poisonous, toxic) |
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| APA | Smart Define. (2015). pestilent thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/pestilent/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "pestilent thesaurus" https://smartdefine.org/pestilent/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, pestilent thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/pestilent/thesaurus/synonyms>. |
| MLA | Smart Define. "pestilent thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/pestilent/thesaurus/synonyms> |