anticoagulant

noun

an·​ti·​co·​ag·​u·​lant ˌan-tē-kō-ˈa-gyə-lənt  ˌan-tī- 

: a substance that hinders the clotting of blood : blood thinner

anticoagulant adjective

Examples of anticoagulant in a Sentence

Recent Examples on the Web

Anyone who's on an anticoagulant, anything that thins your blood or prevents you from having a blood clot, should talk with a pharmacist or healthcare provider first to double-check which supplements interact with those types of medications. —Stephanie Brown, Verywell Health, 10 Mar. 2026

Most people are treated with blood-thinning medications, known as anticoagulants, which prevent existing clots from expanding and reduce the risk of new clots forming, says Samuel Gurevich, MD, a pulmonologist at Cleveland Clinic in Weston, Florida. —Emily Kay Votruba, EverydayHealth.com, 10 Feb. 2026

In a statement to NBC News, Daiichi Sankyo, which makes Savaysa, said that the drug is used to reduce the risk of stroke and clots but added that anticoagulants can increase the risk of serious bleeding. —David Cox, NBC news, 5 Feb. 2026

As such, Crowe recommended that those on anticoagulants consult a provider before using high-dose supplements. —Sarah Garone, Health, 3 Dec. 2025

Word History

First Known Use

1886, in the meaning defined above

Rhymes for anticoagulant

• coagulant

Medical Definition

anticoagulant

1 of 2 adjective

an·​ti·​co·​ag·​u·​lant ˌant-i-kō-ˈag-yə-lənt, ˌan-ˌtī- 

: of, relating to, or utilizing anticoagulants

anticoagulant therapy

anticoagulant

2 of 2 noun

: a substance (as a drug) that hinders coagulation and especially coagulation of the blood : blood thinner