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
Kirk was widely known for arguing with left-leaning college students in videos that often went viral online.
—
Aysha Bagchi, USA Today, 11 Sep. 2025
Those quickly went massively viral, expanding Kirk and TPUSA’s reach online outside just conservative circles.
—Oren Oppenheim, ABC News, 10 Sep. 2025
In an era where missteps can go viral instantly, human oversight is critical.
—Andrew Fennell, Forbes.com, 10 Sep. 2025
Her brand’s Lassi Lip Oil—a viral favorite on TikTok—embodies the trend.
—Conçetta Ciarlo, Vogue, 10 Sep. 2025
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Aysha Bagchi, USA Today, 11 Sep. 2025
Those quickly went massively viral, expanding Kirk and TPUSA’s reach online outside just conservative circles.
—Oren Oppenheim, ABC News, 10 Sep. 2025
In an era where missteps can go viral instantly, human oversight is critical.
—Andrew Fennell, Forbes.com, 10 Sep. 2025
Her brand’s Lassi Lip Oil—a viral favorite on TikTok—embodies the trend.
—Conçetta Ciarlo, Vogue, 10 Sep. 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 11 Sep. 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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