viral

adjective

vi·​ral ˈvī-rəl How to pronounce viral (audio)
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 adverb

Examples of viral in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Carmelo Anthony has finally explained the context behind the photo of him and Rihanna that went on to become a viral meme in the mid-2010s. Michael Saponara, Billboard, 17 Jan. 2025 The viral story first emerged last Sunday on the current affairs show Sept à huit on the French TF1 network. Zac Ntim, Deadline, 17 Jan. 2025 Grab new, crisp white towels for a bathroom upgrade or the viral beauty find, Laneige’s Lip Sleeping Mask. Shea Simmons, People.com, 17 Jan. 2025 Trinity Health Of New England is strongly recommending colleagues, residents and visitors to wear a mask in patient-facing locations amid seasonal, respiratory viral illnesses, according to the health system. Staff Report, Hartford Courant, 16 Jan. 2025 See all Example Sentences for viral 

Word History

Etymology

vir(us) + -al entry 1

First Known Use

1937, in the meaning defined at sense 1

Time Traveler
The first known use of viral was in 1937

Dictionary Entries Near viral

Cite this Entry

“Viral.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/viral. Accessed 23 Jan. 2025.

Kids Definition

viral

adjective
vi·​ral ˈvī-rəl How to pronounce viral (audio)
1
: of, relating to, or caused by a virus
a viral infection
2
: quickly and widely spread or popularized especially by person-to-person electronic communication
a viral video

Medical Definition

viral

adjective
vi·​ral ˈvī-rəl How to pronounce viral (audio)
: of, relating to, or caused by a virus
viral infections
virally adverb

More from Merriam-Webster on viral

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!