1 virulent | Definition of virulent

virulent

adjective
vir·​u·​lent | \ ˈvir-É™-lÉ™nt How to pronounce virulent (audio) , ˈvir-yÉ™-\

Definition of virulent

1a : 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

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Other Words from virulent

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

Furthermore, the strains that cause the infection in the Northeast are especially virulent and arthritogenic, and several long-lasting post-infectious syndromes have been identified. Allen Steere, BostonGlobe.com, "Lyme disease: How we discovered it and where we go from here," 22 Aug. 2019 Maybe Deadheads aren’t as virulent as other groups of superfans. Lucy Dacus, New York Times, "Woodstock, a Utopia? Not for Every Generation," 6 Aug. 2019 The Vietnam war was still going strong then, and resentment against soldiers was pretty virulent. Chuck Yarborough, cleveland.com, "1969 was a watershed year for the country and for me: Chuck Yarborough," 28 July 2019 She was successfully treated with amphotericin B, but subsequent lab tests suggested that the invading amoeba was less virulent than other strains of N. fowleri. Beth Mole, Ars Technica, "Brain-eating amoeba kills again—here’s how it kills and how to avoid it," 26 July 2019 The variation in the thousands of accessory genes explains why some strains are virulent while others are harmless, and how some can survive in certain habitats or on food sources that others can’t. Quanta Magazine, "Researchers Rethink the Ancestry of Complex Cells," 9 Apr. 2019 Journalists who criticized the government were being trolled and attacked with virulent fervor. Bilal Qureshi, Washington Post, "Arundhati Roy — beloved for her fiction, derided for her politics — won’t be silenced," 23 Aug. 2019 Fans will surely debate the virulent crowd reaction that reduced Osaka to tears during the trophy presentation and say the Open had never experienced anything like it. New York Times, "A Night to Remember at the U.S. Open," 22 Aug. 2019 His virulent opposition to India, Pakistan’s blood rival, has made Saeed a folk hero to tens of thousands of followers. Shashank Bengali, Los Angeles Times, "Trump touts ‘ten year search’ for Pakistani militant, but everyone knew where he was," 17 July 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'virulent.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of virulent

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

History and Etymology for virulent

Middle English, from Latin virulentus, from virus poison

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More Definitions for virulent

virulent

adjective

English Language Learners Definition of virulent

: full of hate or anger
: extremely or excessively harsh or strong
: extremely dangerous and deadly and usually spreading very quickly

virulent

adjective
vir·​u·​lent | \ ˈvir-É™-lÉ™nt How to pronounce virulent (audio) \

Kids Definition of virulent

: spreading quickly and causing serious harm a virulent disease

virulent

adjective
vir·​u·​lent | \ -lÉ™nt How to pronounce virulent (audio) \

Medical Definition of virulent

1a : 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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More from Merriam-Webster on virulent

Thesaurus: All synonyms and antonyms for virulent

Spanish Central: Translation of virulent

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Britannica English: Translation of virulent for Arabic Speakers