[ vir-yuh-luhnt, vir-uh- ]
/ ˈvɪr yə lənt, ˈvɪr ə- /
actively poisonous; intensely noxious: a virulent insect bite.
Medicine/Medical. highly infective; malignant or deadly.
Bacteriology. causing clinical symptoms.
violently or spitefully hostile.
intensely bitter, spiteful, or malicious: a virulent attack.
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Origin of virulent
OTHER WORDS FROM virulent
vir·u·lent·ly, adverbhy·per·vir·u·lent, adjectivehy·per·vir·u·lent·ly, adverbnon·vir·u·lent, adjective
non·vir·u·lent·ly, adverbsu·per·vir·u·lent, adjectivesu·per·vir·u·lent·ly, adverbun·vir·u·lent, adjectiveun·vir·u·lent·ly, adverb
WORDS THAT MAY BE CONFUSED WITH virulentviolent, virulent
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Example sentences from the Web for virulent
Paul Bert found the bronchial mucus virulent in dogs in which the saliva was non-virulent.
British Dictionary definitions for virulent
/ (ˈvɪrʊlənt) /
- (of a microorganism) extremely infective
- (of a disease) having a rapid course and violent effect
extremely poisonous, injurious, etc
extremely bitter, hostile, etc
Derived forms of virulentvirulently, adverb
Word Origin for virulent
C14: from Latin vīrulentus full of poison, from vīrus poison; see virus
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 virulent
[ vîr′yə-lənt, vîr′ə- ]
Extremely infectious, malignant, or poisonous. Used of a disease or toxin.
Capable of causing disease by breaking down protective mechanisms of the host. Used of a pathogen.
Intensely irritating, obnoxious, or harsh.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.