virulent


vir·u·lent

adjective \ˈvir-ə-lənt, ˈvir-yə-\

: full of hate or anger

: extremely or excessively harsh or strong

: extremely dangerous and deadly and usually spreading very quickly

Full Definition of VIRULENT

1
a :  marked by a rapid, severe, and destructive course <a virulent infection>
b :  able to overcome bodily defensive mechanisms :  markedly pathogenic <virulent bacteria>
2
:  extremely poisonous or venomous
3
:  full of malice :  malignant <virulent racists>
4
:  objectionably harsh or strong <virulent criticism>
vir·u·lent·ly adverb

Examples of VIRULENT

  1. The country seemed to be returning to the virulent nationalism of its past.
  2. <the virulent look on her face warned me that she was about to say something unkind>

Origin of VIRULENT

Middle English, from Latin virulentus, from virus poison
First Known Use: 14th century

Other Microbiology Terms

pathogen, salmonella, tetanus

vir·u·lent

adjective \-lənt\   (Medical Dictionary)

Medical Definition of VIRULENT

1
a : marked by a rapid, severe, and malignant course <a virulent infection> b : able to overcome bodily defense mechanisms <a virulent pathogen>
2
: extremely poisonous or venomous : noxious

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