- Definitions|2
- Thesaurus|363
- Abbreviations|0
| calamitous(adjective, harmful, injurious, damaging, deadly) | |
| cancerous(adjective, harmful, injurious, damaging, deadly) | |
| cataclysmic(adjective, harmful, injurious, damaging, deadly) | |
| catastrophic(adjective, harmful, injurious, damaging, deadly) | |
| communicable | |
| consumptive(adjective, harmful, injurious, damaging, deadly) | |
| corrupting(harmful, injurious, damaging, destructive, catching) | |
| corruptive | |
| cutthroat(adjective, harmful, injurious, damaging, deadly) | |
| damaging(adjective, tough, evil, harmful, injurious) | |
| deathly | |
| devastating(adjective, evil, wicked, harmful, injurious) | |
| dire(adjective, harmful, injurious, damaging, deadly) | |
| disastrous(adjective, harmful, injurious, damaging, deadly) | |
| disgusting | |
| endemic | |
| envenomed | |
| epidemical | |
| eradicative(adjective, harmful, injurious, damaging, deadly) | |
| extirpative(adjective, harmful, injurious, damaging, deadly) |
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| APA | Smart Define. (2015). pestilential thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/pestilential/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "pestilential thesaurus" https://smartdefine.org/pestilential/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, pestilential thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/pestilential/thesaurus/synonyms>. |
| MLA | Smart Define. "pestilential thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/pestilential/thesaurus/synonyms> |