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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Liyam Chitayat, Foreign Affairs, 28 Aug. 2025
These proteins are primarily responsible for broad-spectrum antiviral protection.
—Pranjal Malewar, New Atlas, 27 Aug. 2025
Jia H. Jung, Mercury News, 1 Sep. 2025
At the moment, the antiviral is delivered through the nose because the team focused on respiratory viruses, so delivering to the lungs was important.
—Hannah Millington, MSNBC Newsweek, 27 Aug. 2025
See All Example Sentences for antiviral
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Adjective
Even more concerning, conventional antibiotics and antiviral treatments would likely be ineffective against mirror pathogens since these drugs target specific molecular structures that would be reversed in mirror life.
—Liyam Chitayat, Foreign Affairs, 28 Aug. 2025
These proteins are primarily responsible for broad-spectrum antiviral protection.
—Pranjal Malewar, New Atlas, 27 Aug. 2025
Noun
Sometimes, people develop resistance to the antivirals, and in rare cases experience kidney or liver complications or failure.
—Jia H. Jung, Mercury News, 1 Sep. 2025
At the moment, the antiviral is delivered through the nose because the team focused on respiratory viruses, so delivering to the lungs was important.
—Hannah Millington, MSNBC Newsweek, 27 Aug. 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 9 Sep. 2025.
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