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
Examples of viral in a Sentence
Recent Examples on the Web
The article, which Feerick’s wife, Emalie, had helped with, went viral, or as viral as something could go in the sixties.
—
Diego Lasarte, New Yorker, 4 May 2026
Then, a customer posted a now viral video on Instagram in November last year that took off.
—Elliott Harrell, Southern Living, 3 May 2026
James Comey gets indicted again, the Pentagon says how much the Iran war has cost taxpayers, and viral trend is removing door handles.
—Jeremy Mikula, NBC news, 2 May 2026
And not by any of the instant, massive viral fame that came with it.
—Mike Finger, San Antonio Express-News, 2 May 2026
See All Example Sentences for viral
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Diego Lasarte, New Yorker, 4 May 2026
Then, a customer posted a now viral video on Instagram in November last year that took off.
—Elliott Harrell, Southern Living, 3 May 2026
James Comey gets indicted again, the Pentagon says how much the Iran war has cost taxpayers, and viral trend is removing door handles.
—Jeremy Mikula, NBC news, 2 May 2026
And not by any of the instant, massive viral fame that came with it.
—Mike Finger, San Antonio Express-News, 2 May 2026
See All Example Sentences for viral
Cite this Entry
“Viral.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/viral. Accessed 4 May. 2026.
Copy CitationKids Definition
viral
adjective
vi·ral
ˈvī-rəl 
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
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