viral.
Of or relating to a biological virus.
Meaning & usage
Of or relating to a biological virus.
viral DNA
Caused by a virus.
viral infection
Of the nature of an informatic virus; able to spread copies of itself to other computers.
Spread by word of mouth with minimal intervention, in order to create buzz and interest.
Circulated rapidly and widely from one user to another.
Where this word comes from
Etymology tree Proto-Indo-European *weys- Proto-Indo-European *wisós Proto-Italic *weizos Latin vīrusbor. Middle English virus English virus English -al English viral From virus + -al.
A video, image or text spread by "word of mouth" on the internet or by e-mail for humorous, political or marketing purposes.
Where this word comes from
Etymology tree Proto-Indo-European *weys- Proto-Indo-European *wisós Proto-Italic *weizos Latin vīrusbor. Middle English virus English virus English -al English viral From virus + -al.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.