[ an-tahy-vahy-ruhl, an-tee- ]

  1. Medicine/Medical, Pharmacology.

    • (of a drug or therapy) developed to effectively treat an infection caused by a virus.

    • of or relating to a substance used to prevent or treat a viral infection:Raw garlic has been found to have antiviral properties.

  2. Computers. (of software) programmed to detect, neutralize, and remove computer viruses.

  1. Medicine/Medical, Pharmacology. an antiviral drug, other substance, or therapy.

Origin of antiviral

First recorded in 1925–30; anti- + viral

Words Nearby antiviral Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use antiviral in a sentence

British Dictionary definitions for antiviral


/ (ˌæntɪˈvaɪrəl) /

  1. inhibiting the growth of viruses

  1. any antiviral drug: used to treat diseases caused by viruses, such as herpes infections and AIDS

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