[ pes-tl-en-shuh l ]
/ ˌpɛs tlˈɛn ʃəl /


producing or tending to produce pestilence.
pertaining to or of the nature of pestilence, especially bubonic plague.
pernicious; harmful.
annoyingly troublesome.


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Origin of pestilential

First recorded in 1350–1400; Middle English word from Medieval Latin word pestilentiālis. See pestilent, -ial

OTHER WORDS FROM pestilential

Words nearby pestilential Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for pestilential

British Dictionary definitions for pestilential

/ (ˌpɛstɪˈlɛnʃəl) /


dangerous or troublesome; harmful or annoying
of, causing, or resembling pestilence

Derived forms of pestilential

pestilentially, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for pestilential

[ pĕs′tə-lĕnshəl ]


Of, relating to, or tending to produce a pestilence.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.