1. of, relating to, or caused by a virus.
2. 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.
3. 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.
4. pertaining to
"coughs can be viral in origins."
"infections can be viral."
"diseases can be viral."
"loads can be viral."
"proteins can be viral."
This list can help you learn new vocabulary more quickly and be able explore other words more easily.