- of, relating to, or caused by a virus.
- pertaining to or involving the spreading of information and opinions about a product or service from person to person, especially on the Internet or in emails: a clever viral ad.See also viral marketing.
- becoming very popular by circulating quickly from person to person, especially through the Internet: the most memorable viral videos; This book is already viral two weeks before its official publication date.
- pertaining to a computer virus.
- go viral, to spread rapidly via the Internet, email, or other media: Footage of the candidate's off-color remarks went viral within minutes.
Origin of viral
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for antiviral
A low count spelled serious trouble, whereas high and stable numbers were seen in those with a good response to antiviral drugs.New Thai-Taiwanese Syndrome Is Not AIDS 2.0
August 26, 2012
It proved resistant to every one of the antibiotics and antiviral agents in the Lancet's stockroom.Star Surgeon
- inhibiting the growth of viruses
- any antiviral drug: used to treat diseases caused by viruses, such as herpes infections and AIDS
- of, relating to, or caused by a virus
- (of a video, image, story, etc) spread quickly and widely among internet users via social networking sites, e-mail, etc
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
Word Origin and History for antiviral
"of the nature of, or caused by, a virus," 1948, see virus.
Online Etymology Dictionary, © 2010 Douglas Harper
- Destroying or inhibiting the growth and reproduction of viruses.
- Of, relating to, or caused by a virus.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.