adjective
- Exceedingly harmful.
- synonyms: baneful, deadly, pernicious
- Likely to spread and cause an epidemic disease.
- usage: "a pestilential malignancy in the air- Jonathan Swift; "plaguey fevers"
- synonyms: pestilential, pestiferous, plaguey
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). pestilent. Retrieved September 22, 2026, from http://smartdefine.org/pestilent/definitions/1180668 |
| Chicago | WordNet. 2010. "pestilent" http://smartdefine.org/pestilent/definitions/1180668 (accessed September 22, 2026). |
| Harvard | WordNet 2010, pestilent, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/pestilent/definitions/1180668>. |
| MLA | WordNet. "pestilent" 23 October 2010. Web. 22 September 2026. <http://smartdefine.org/pestilent/definitions/1180668> |