viral

adjective vi·ral \ ˈvī-rəl \
Updated on: 1 Dec 2017

Definition of viral

1 : of, relating to, or caused by a virus
  • a viral infection
2 : quickly and widely spread or popularized especially by means of social media
  • a viral video

virally

play \ˈvī-rə-lē\ adverb

Recent Examples of viral from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'viral.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of viral

1937


VIRAL Defined for English Language Learners

viral

adjective

Definition of viral for English Language Learners

  • : caused by a virus

  • : spreading very quickly to many people especially through the Internet


Medical Dictionary

viral

adjective vi·ral \ ˈvī-rəl \

medical Definition of viral

: of, relating to, or caused by a virus
  • viral infections

virally

play \-rə-lē\ adverb


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