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
Recent Examples on the Web
Rob Williams, EverydayHealth.com, 13 Oct. 2025
Concerned, the Brooklyn-native returned to his primary care provider but was immediately sent to the emergency room to receive antiviral treatment through an IV.
—Tereza Shkurtaj, PEOPLE, 21 Sep. 2025
Hannah Millington, MSNBC Newsweek, 14 Oct. 2025
Antibiotics are part of a wider group of medicines called antimicrobials, which also include antivirals, antifungals and antiparasitics.
—Melissa Rudy, FOXNews.com, 14 Oct. 2025
See All Example Sentences for antiviral
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Adjective
No cure or antiviral medication exists for measles, but most peole who get infected recover within about 10 days by resting, eating well, and drinking plenty of fluids to prevent dehydration caused by diarrhea.
—Rob Williams, EverydayHealth.com, 13 Oct. 2025
Concerned, the Brooklyn-native returned to his primary care provider but was immediately sent to the emergency room to receive antiviral treatment through an IV.
—Tereza Shkurtaj, PEOPLE, 21 Sep. 2025
Noun
Antimicrobials include antibiotics, antivirals, antifungals, and antiparasitics—all used to prevent and treat infectious disease.
—Hannah Millington, MSNBC Newsweek, 14 Oct. 2025
Antibiotics are part of a wider group of medicines called antimicrobials, which also include antivirals, antifungals and antiparasitics.
—Melissa Rudy, FOXNews.com, 14 Oct. 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 21 Oct. 2025.
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