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 Yelp-ification of Medicine Healthcare is increasingly consumer-driven — fueled by viral demand for everything from Ozempic to off-label ADHD meds — and physicians are feeling the pressure from the requests.
—
John Samuels, Forbes.com, 10 June 2025
Explore See latest videos, charts and news Among the scenes shared by Finneas: a viral video showing Australian 9News reporter Lauren Tomasi being struck by a rubber bullet while covering the unrest.
—Jessica Lynch, Billboard, 9 June 2025
Meanwhile, on social media, videos about two-thousands diet culture have become regular viral fare.
—Dayna Tortorici, New Yorker, 9 June 2025
The feud between Biles and Gaines has become one of the most viral topics on social media in the last three days, dominating the top trending section on X, while prompting heated debates and controversial media coverage of the issue.
—Jackson Thompson, FOXNews.com, 8 June 2025
See All Example Sentences for viral
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John Samuels, Forbes.com, 10 June 2025
Explore See latest videos, charts and news Among the scenes shared by Finneas: a viral video showing Australian 9News reporter Lauren Tomasi being struck by a rubber bullet while covering the unrest.
—Jessica Lynch, Billboard, 9 June 2025
Meanwhile, on social media, videos about two-thousands diet culture have become regular viral fare.
—Dayna Tortorici, New Yorker, 9 June 2025
The feud between Biles and Gaines has become one of the most viral topics on social media in the last three days, dominating the top trending section on X, while prompting heated debates and controversial media coverage of the issue.
—Jackson Thompson, FOXNews.com, 8 June 2025
See All Example Sentences for viral
Cite this Entry
“Viral.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/viral. Accessed 14 Jun. 2025.
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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