Dictionary

viral

adjective vi·ral \ˈvī-rəl\

: caused by a virus

Full Definition of VIRAL

: of, relating to, or caused by a virus <a viral infection>

: quickly and widely spread or popularized especially by person-to-person electronic communication <a viral video>

— vi·ral·ly \-rə-lē\ adverb

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1937

Medical Dictionary

adjective vi·ral \ˈvī-rəl\

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

—vi·ral·ly \-rə-lē\ adverb

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