Meaning of pestilential

pes•ti•len•tial

Pronunciation: (pes"tl-en'shul), [key]
— adj.
  1. producing or tending to produce pestilence.
  2. pertaining to or of the nature of pestilence, esp. bubonic plague.
  3. pernicious; harmful.
  4. annoyingly troublesome.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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