Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

English definition of “viral”

viral

adjective (INTERNET)    /ˈvaɪə.rəl/ US  /ˈvaɪ-/
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.: Here's a list of the top ten viral videos this week. Within days the film clip went viral.
(Definition of viral adjective (INTERNET) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of viral

More definitions for “viral”

Definitions of “viral” in other dictionaries

Word of the Day

exercise

physical activity that you do to make your body strong and healthy

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More