sa·​quin·​a·​vir sə-ˈkwi-nə-ˌvir How to pronounce saquinavir (audio)
: a protease inhibitor C38H50N6O5 that is administered in the form of its methylated sulfonic salt especially in combination with other antiretroviral agents to treat HIV infection

Word History


sa- (perhaps backward spelling of protease) + quinoline + -avir, alteration of -ovir (as in acyclovir)

First Known Use

1994, in the meaning defined above

Time Traveler
The first known use of saquinavir was in 1994

Dictionary Entries Near saquinavir

Cite this Entry

“Saquinavir.” Dictionary, Merriam-Webster, Accessed 30 Mar. 2023.

Medical Definition


sa·​quin·​a·​vir sə-ˈkwin-ə-ˌvir How to pronounce saquinavir (audio)
: a protease inhibitor C38H50N6O5 or its mesylate C38H50N6O5·CH4O3S administered orally often in combination with other antiretroviral drugs to treat HIV infection
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