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antivirus

British  
/ ˈæntɪˌvaɪrəs /

noun

  1. (modifier) a piece of software designed to prevent viruses entering a computer system or network

    antivirus software

  2. (modifier) of or relating to such a piece of software

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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Its unlimited device support and bundled extras, including antivirus, data breach alerts and a private search engine, make it a cost-effective all-in-one solution.

From Salon • Mar. 27, 2026

Set up automatic transfers into bank accounts, use password managers to access your online accounts and boost your computer data security with antivirus software and other precautionary steps.

From MarketWatch • Mar. 26, 2026

Avast, based in the Czech Republic, is well-known for its antivirus products.

From Salon • Mar. 21, 2026

“Scammers thrive on pressure, distraction, and emotional decision-making, and the holiday season delivers all three in spades,” said Leyla Bilge, director of scam research at Norton, which provides antivirus and anti-malware software.

From MarketWatch • Nov. 25, 2025

The antivirus directory has anti-virus programs for MS- DOS and Macintosh computers.

From Big Dummy's Guide to the Internet by Electronic Frontier Foundation