nirmatrelvir
noun
nir·mat·rel·vir
nər-ˈmat-rəl-ˌvir 
: a protease inhibitor C23H32F3N5O4 that is administered orally in conjunction with ritonavir to treat coronavirus infections and especially COVID-19
Note: Nirmatrelvir is packaged with ritonavir and is marketed under the trademark Paxlovid.
Cite this Entry
“Nirmatrelvir.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/nirmatrelvir. Accessed 7 Dec. 2025.
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