Thesaurus.com
Dictionary.com
Definitions

virulent

[vir-yuh-luhnt, vir-uh-] / ˈvɪr yə lənt, ˈvɪr ə- /




Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The traditional method of creating flu vaccines involves growing the virus in eggs - but this can be a problem when there are virulent avian flu strains which can kill the eggs used during manufacturing.

From BBC • Apr. 21, 2026

But time travel is an imperfect science, and the technician overseeing the process is delirious from a virulent new strain of flu, so Kivrin is accidentally dropped into 1348, the year of the Black Death.

From The Wall Street Journal • Feb. 17, 2026

"The bumpier, irregular surface of the virulent strains exposes parts of the virus that are normally hidden, allowing certain antibodies to attach more easily," Dr. Bibby said.

From Science Daily • Nov. 27, 2025

The virulent Delta variant, for example, appeared in the spring of 2021 and was overtaken by the Omicron variant, which also caused severe disease, that November.

From Los Angeles Times • May 8, 2025

In 1797 Rush’s opponents were joined by a new and highly virulent voice—that of journalist William Cobbett.

From "An American Plague: The True and Terrifying Story of the Yellow Fever Epidemic of 1793" by Jim Murphy




Vocabulary lists containing virulent