pestilent

[pes-tl-uh nt]
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adjective
  1. producing or tending to produce infectious or contagious, often epidemic, disease; pestilential.
  2. destructive to life; deadly; poisonous.
  3. injurious to peace, morals, etc.; pernicious.
  4. troublesome, annoying, or mischievous.

Origin of pestilent

1350–1400; Middle English < Latin pestilent- (stem of pestilēns) unhealthy, noxious, alteration of pestilentus, equivalent to pesti- (stem of pestis) pest + -lentus -lent
Related formspes·ti·lent·ly, adverban·ti·pes·ti·lent, adjectivean·ti·pes·ti·lent·ly, adverbnon·pes·ti·lent, adjectivenon·pes·ti·lent·ly, adverbun·pes·ti·lent, adjectiveun·pes·ti·lent·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018


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British Dictionary definitions for pestilent

pestilent

adjective
  1. annoying; irritating
  2. highly destructive morally or physically; pernicious
  3. infected with or likely to cause epidemic or infectious disease
Derived Formspestilently, adverb

Word Origin for pestilent

C15: from Latin pestilens unwholesome, from pestis plague
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

Word Origin and History for pestilent
adj.

late 14c., from Latin pestilentem (nominative pestilens), from pestilis "of the nature of a plague," from pestis "deadly contagious disease" (see pest (n.)). Related: Pestilently.

Online Etymology Dictionary, © 2010 Douglas Harper