ri·​ba·​vi·​rin | \ ˌrī-bə-ˈvī-rən How to pronounce ribavirin (audio) \

Definition of ribavirin

: a synthetic broad-spectrum antiviral nucleoside C8H12N4O5

Examples of ribavirin in a Sentence

Recent Examples on the Web Interferon 1-b has generally been used to treat multiple sclerosis in the past, while lopinavir-ritonavir and ribavirin have been used to treat HIV and hepatitis C, respectively. Fox News, 11 May 2020 Previous research has found that a combination of lopinavir-ritonavir and ribavirin significantly reduced respiratory failure and death in patients with another coronavirus, the SARS virus. Roni Caryn Rabin, New York Times, 8 May 2020 Other were randomly assigned to get the lopinavir-ritonavir combination plus the antiviral drug ribavirin and injections of beta interferon. Maggie Fox, CNN, 8 May 2020 Orders for antibiotics like azithromycin and antiviral medicines like ribavirin nearly tripled. Knvul Sheikh, New York Times, 2 Apr. 2020 Domingo and Vignuzzi pointed out that the popular antiviral medication ribavirin pushes viruses to develop a swarm that is so big and so full of mutations that the resulting viral potluck is missing vital components. Quanta Magazine, 25 Aug. 2015 Nor is everyone convinced that ribavirin works in Lassa fever, as the only data come from the 1980s, Augier says. Leslie Roberts, Science | AAAS, 12 Mar. 2018 For now, the only treatment is a nonspecific antiviral drug, ribavirin. Leslie Roberts, Science | AAAS, 12 Mar. 2018 There is no vaccine and no definitive cure, although an antiviral drug, ribavirin, can be helpful if given early. Donald G. Mcneil Jr., New York Times, 16 Feb. 2018 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'ribavirin.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of ribavirin

1974, in the meaning defined above

History and Etymology for ribavirin

perhaps from ribonucleic acid + virus + -in entry 1

Learn More About ribavirin

Time Traveler for ribavirin

Time Traveler

The first known use of ribavirin was in 1974

See more words from the same year

Dictionary Entries Near ribavirin




See More Nearby Entries 

Statistics for ribavirin

Cite this Entry

“Ribavirin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ribavirin. Accessed 5 Oct. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More Definitions for ribavirin


ri·​ba·​vi·​rin | \ ˌrī-bə-ˈvī-rən How to pronounce ribavirin (audio) \

Medical Definition of ribavirin

: a synthetic broad-spectrum antiviral drug C8H12N4O5 that is a nucleoside resembling guanosine

More from Merriam-Webster on ribavirin

Britannica.com: Encyclopedia article about ribavirin


Test Your Vocabulary

Challenging Words You Should Know

  • hedgehog reading a book
  • Often used to describe “the march of time,” what does inexorable mean?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

Universal Daily Crossword

A daily challenge for crossword fanatics.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!