blood thinner

noun

: a drug used to prevent the formation of blood clots by hindering coagulation of the blood
blood-thinning adjective

Examples of blood thinner in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The 55-year-old returned to filming in January, is now on blood thinners and physical therapy, and has new episodes hitting Lifetime next week. Assistant Editor, Los Angeles Times, 14 Apr. 2026 Lee is continuing physical therapy and is managing her health with blood thinners while monitoring her blood pressure, cholesterol and stress. Lexi Carson, HollywoodReporter, 14 Apr. 2026 It also should be used with caution in people taking prescription blood thinners, aspirin or NSAID products. Bestreviews, Chicago Tribune, 14 Apr. 2026 Lee is currently on blood thinners and continuing physical therapy at home. Janine Rubenstein, PEOPLE, 14 Apr. 2026 See All Example Sentences for blood thinner

Word History

First Known Use

1879, in the meaning defined above

Time Traveler
The first known use of blood thinner was in 1879

Browse Nearby Words

Cite this Entry

“Blood thinner.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/blood%20thinner. Accessed 24 Apr. 2026.

Medical Definition

blood thinner

noun
blood thin·​ner -ˌthin-ər How to pronounce blood thinner (audio)
: a drug used to prevent the formation of blood clots by hindering coagulation of the blood
blood-thinning adjective
Love words? Need even more definitions?

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

More from Merriam-Webster