an·​ti·​plate·​let ˌan-tē-ˈplāt-lət How to pronounce antiplatelet (audio)
: preventing or inhibiting platelets from adhering to each other
The drugʼs antiplatelet activity reduces the risk of blood clot formation in stroke survivors.

Examples of antiplatelet in a Sentence

Recent Examples on the Web Gandy agrees the agency should assess the need for a black box warning that could include every class of drug—such as anticoagulants, tPA, and antiplatelet treatments—that can cause or increase the risk of brain bleeding. Bycharles Piller,, 30 Dec. 2022 For example, artery clots that can cause heart attack or stroke are commonly treated with antiplatelet agents like aspirin. Gretchen Cuda Kroen, cleveland, 10 Oct. 2022 Regardless of the age, people who were on beta blockers and antiplatelet medications had a number of heart attacks, explained Chen. Bydr. Lily Nedda Dastmalchi, ABC News, 20 Aug. 2022 Aspirin is an antiplatelet agent that interferes with blood clotting. cleveland, 23 May 2022 All showed high levels of antiplatelet factor 4 antibodies, which are implicated in autoimmune thrombocytopenia. Melissa Healy, Los Angeles Times, 13 Apr. 2021 Patients infected with the virus suffer a greater chance of blood clots due to hyper-reactive platelets, and aspirin is an antiplatelet agent. Peter Aitken, Fox News, 8 Nov. 2020

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'antiplatelet.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

circa 1923, in the meaning defined above

Time Traveler
The first known use of antiplatelet was circa 1923

Dictionary Entries Near antiplatelet

Cite this Entry

“Antiplatelet.” Dictionary, Merriam-Webster, Accessed 25 Jun. 2024.

Medical Definition


an·​ti·​plate·​let -ˈplāt-lət How to pronounce antiplatelet (audio)
: acting against or destroying blood platelets
antiplatelet drugs
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