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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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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

The collection wasn’t related to its VPN offering; it was happening with Avast’s antivirus products.

From Salon Mar. 21, 2026

You still need antivirus software, safe browsing practices, and common sense to protect against these threats.

From Salon Feb. 12, 2026

And although it includes malware protection, it’s not as robust as a dedicated antivirus program.

From Salon Dec. 12, 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

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