- (a.) Having the nature or qualities of a pestilence.
- (a.) Hence: Mischievous; noxious; pernicious; morally destructive.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). pestilential. Retrieved September 23, 2026, from http://smartdefine.org/pestilential/definitions/2044328 |
| Chicago | Webster's. 2011. "pestilential" http://smartdefine.org/pestilential/definitions/2044328 (accessed September 23, 2026). |
| Harvard | Webster's 2011, pestilential, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/pestilential/definitions/2044328>. |
| MLA | Webster's. "pestilential" 27 May 2011. Web. 23 September 2026. <http://smartdefine.org/pestilential/definitions/2044328> |