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Word of the Day Tuesday, June 9, 2026

virus

/ˈvaɪrəs/ noun · British & US
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What does virus mean?

noun

A submicroscopic infectious agent that replicates inside the cells of an organism. Viruses can cause disease in animals, plants, and microorganisms and can also be used as tools in genetic engineering.

Example

"The new virus was spreading rapidly across the country, causing widespread illness and panic."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for virus

Rhymes with virus

Etymologically related