The meaning of VIRAL is of, relating to, or caused by a virus. How to use viral in a sentence.

Viral describes a disease caused by a virus, and viruses are usually infectious. Infections and other kinds of diseases can be classified as viral by a doctor, which means they're caused by viruses, …

viral adjective (INTERNET) used to describe something that quickly becomes very popular or well known by being published on the internet or sent from person to person by email, phone, etc.:

A viral film clip, story, or message is one that spreads quickly because people share it on social media and send it to each other.

used to describe a piece of information, a video, an image, etc. that is sent rapidly over the internet and seen by large numbers of people within a short time. Within 24 hours, the video went viral on …

1. Of, relating to, or caused by a virus. 2. Of or relating to the rapid propagation of information, ideas, or trends by means of social networks rather than conventional mass media: viral marketing.

viral adjective (INTERNET) used to describe something that quickly becomes very popular or well known by being published on the internet or sent from person to person by email, phone, etc.:

What is a viral infection? Viral infections are illnesses you get from tiny organisms that use your cells to make more copies of themselves (viruses). Viral infections commonly cause respiratory and …

Viral videos may be serious, and some are deeply emotional, but many more are based more on entertainment and comedy.

Jan 14, 2026 · Yet again, something dreadful and new which he doesn't understand is going viral. Today's fad is, you paint a black vertical rectangle on the wall, or on a mirror, or over the top of a …