virus

Pronunciation

• enPR: vīʹrəs IPA ^(key): /ˈvaɪrəs/
• SAMPA: /"vaIr@s/

• Audio (US)

  (file)

Noun

Singular virus

Plural viruses

A virus

1. (countable) A virus is a very small thing that can make people sick by getting into a living cell to copy itself.
   • Synonyms: disease, illness and infection
2. (countable) (computing) A computer virus is software that attacks your computer.

Related words

• viral
• antivirus