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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Cindy Krischer Goodman, Sun Sentinel, 6 Feb. 2026
Fights colds The antiviral properties in oregano oil help keep your immune system strong enough to fight off any colds that blow through.
—Bestreviews, Chicago Tribune, 5 Feb. 2026
Cody Godwin, USA Today, 3 Feb. 2026
Anyone who is interested in antivirals should speak with a healthcare provider or pharmacist for personalized guidance.
—Melissa Rudy, FOXNews.com, 1 Feb. 2026
See All Example Sentences for antiviral
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Adjective
Florida’s history with ivermectin During news briefings and in social media posts, Florida Surgeon General Joseph Ladapo has endorsed ivermectin as an alternative treatment for COVID and touted the drug’s use as an antiviral medication.
—Cindy Krischer Goodman, Sun Sentinel, 6 Feb. 2026
Fights colds The antiviral properties in oregano oil help keep your immune system strong enough to fight off any colds that blow through.
—Bestreviews, Chicago Tribune, 5 Feb. 2026
Noun
More recent research has shown that star anise possesses antiviral, antioxidant and anti-inflammatory properties.
—Cody Godwin, USA Today, 3 Feb. 2026
Anyone who is interested in antivirals should speak with a healthcare provider or pharmacist for personalized guidance.
—Melissa Rudy, FOXNews.com, 1 Feb. 2026
See All Example Sentences for antiviral
Cite this Entry
“Antiviral.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/antiviral. Accessed 13 Feb. 2026.
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