an·ti·vi·ral
ˌan-tē-ˈvī-rəl 
ˌan-tī-
: an antiviral agent and especially a drug
antivirals used in treating influenza
Examples of antiviral in a Sentence
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Tiffani Jackson, Fort Worth Star-Telegram, 10 Dec. 2025
Treatment can sometimes involve antiviral or immunomodulatory medications, if the benefits outweigh the risk of severe side effects.
—Jackie Fortiér, NPR, 3 Dec. 2025
Fousia Abdullahi, Fort Worth Star-Telegram, 24 Nov. 2025
Some of these therapies include the use of antivirals, but the current ones are ineffective.
—Humberto Basilio, Scientific American, 12 Nov. 2025
See All Example Sentences for antiviral
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Adjective
There’s no specific antiviral treatment for norovirus.
—Tiffani Jackson, Fort Worth Star-Telegram, 10 Dec. 2025
Treatment can sometimes involve antiviral or immunomodulatory medications, if the benefits outweigh the risk of severe side effects.
—Jackie Fortiér, NPR, 3 Dec. 2025
Noun
Other treatments include non-steroidal anti-inflammatory medications, antivirals and heparin.
—Fousia Abdullahi, Fort Worth Star-Telegram, 24 Nov. 2025
Some of these therapies include the use of antivirals, but the current ones are ineffective.
—Humberto Basilio, Scientific American, 12 Nov. 2025
See All Example Sentences for antiviral
Cite this Entry
“Antiviral.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/antiviral. Accessed 17 Dec. 2025.
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