Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English


English definition of “virulent”


adjective     /ˈvɪr.ʊ.lənt/
A virulent disease or poison is dangerous and spreads or affects people very quickly : A particularly virulent strain of flu has recently claimed a number of lives in the US.Passing on illness and causing disease formal full of hate and violent opposition : She is a virulent critic of US foreign policy .Opposing and againstStrong feelings
(Definition of virulent adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of virulent

Definitions of “virulent” in other dictionaries

Word of the Day

as husband and wife

in the same way as two people who are married

Word of the Day


Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More