virulent

adjective

vir·​u·​lent ˈvir-ə-lənt How to pronounce virulent (audio)
ˈvir-yə-
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
virulently adverb

Examples of virulent in a Sentence

The country seemed to be returning to the virulent nationalism of its past. the virulent look on her face warned me that she was about to say something unkind
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
This is objectively true, and even the most virulent Kyle stan cannot object. Brian Moylan, Vulture, 10 Dec. 2024 The best-selling novel (and Apple TV+ series) Lessons in Chemistry recently dramatized the often virulent misogyny that existed in scientific settings; Joy looks at a subtler dynamic, in which the contributions that women played in scientific discovery was downplayed. Vogue, 21 Nov. 2024 There are currently no public plans for distributing or administering H5N1 pandemic vaccines, although that could change if person-to-person transmission occurs or if the virus becomes more virulent. Maggie Fox, Scientific American, 30 Oct. 2024 The onslaught against migrants that the Russian nationalist movement has unleashed, in concert with the police, has become so virulent that even some of Putin’s erstwhile defenders can’t stomach it. Anna Nemtsova, The Atlantic, 27 Dec. 2024 See all Example Sentences for virulent 

Word History

Etymology

Middle English, "discharging watery pus, purulent," borrowed from Latin vīrulentus "full of poison, venomous," from vīrus "venom, poisonous fluid" + -ulentus "having in quantity, full of" — more at virus

First Known Use

14th century, in the meaning defined at sense 1a

Time Traveler
The first known use of virulent was in the 14th century

Dictionary Entries Near virulent

Cite this Entry

“Virulent.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/virulent. Accessed 19 Jan. 2025.

Kids Definition

virulent

adjective
vir·​u·​lent ˈvir-(y)ə-lənt How to pronounce virulent (audio)
1
a
: marked by a rapid, severe, and often deadly course
a virulent infection
b
: able to overcome or break down the defenses of the body
a virulent germ
2
: extremely poisonous : noxious
3
: full of hate : spiteful
virulently adverb

Medical Definition

virulent

adjective
vir·​u·​lent -lənt How to pronounce virulent (audio)
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

More from Merriam-Webster on virulent

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