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Definitions

virus

[vahy-ruhs] / ˈvaɪ rəs /


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.

Skelly said she was considering vaccinating her ewes and lambs against bluetongue virus - a disease spread by biting midges that had previously been confined to Africa.

From BBC • Mar. 26, 2026

The virus is so contagious that any misstep could kill the patient on board and infect the crew members, who would then be vectors to spread the deadly pathogens across America.

From The Wall Street Journal • Mar. 20, 2026

It develops when the virus responsible for chickenpox becomes active again in the body, often years after the original infection.

From Science Daily • Mar. 20, 2026

And as the virus continues to circulate, more people are being forced to reckon with a life-altering yet often invisible disability whose relative newness offers few answers for the future and few avenues for support.

From Los Angeles Times • Mar. 14, 2026

Yuebin even has a virus installed on his Link that’s slowing it down.

From "Warcross" by Marie Lu