ˌan-tī- How to pronounce antimalarial (audio)
: serving to prevent, control, or cure malaria
antimalarial noun

Example Sentences

Recent Examples on the Web Diagnosis and Treatment Doctors diagnose babesiosis through a blood test, and are eventually treated with a combination of antibiotics and antimalarial drugs. Emily Washburn, Forbes, 22 Mar. 2023 The study lasted three years, with the children receiving a malaria vaccine known as RTS,S and four courses of antimalarial medications annually during the time of highest transmission: the rainy season. Catherine Garcia, The Week, 26 Aug. 2021 San Antonio researchers have developed a new way to produce an antimalarial drug that could save thousands of lives from one of the world’s deadliest infectious diseases. Scott Huddleston, San Antonio Express-News, 3 May 2023 On the other hand, chloroquine, an antimalarial drug that enters body fat, has a value of 15,000 liters. Brad Reisfeld, USA TODAY, 24 Apr. 2023 His doctors, first at a local community hospital and then at the University of Wisconsin Hospital and Clinics, tried everything to help Jeff defeat the novel coronavirus — a ventilator, an antibiotic, an antimalarial drug, blood thinners, a blood plasma transfusion. Tim Elfrink, Washington Post, 17 Aug. 2020 It has been found to have antidiarrheal, antimalarial, and antitussive (cough-relieving) properties. Dallas News, 10 Nov. 2022 Yesterday, Kenyan drugmaker, Universal Corporation Ltd (UCL) became the first African manufacturer to be awarded World Health Organization (WHO) quality assurance certification (pre-qualification) for an antimalarial drug used to prevent infection in pregnant women and children. Uwagbale Edward-ekpu, Quartz, 26 Aug. 2022 The author of more than 200 scientific papers, Winzeler’s lab has also discovered multiple genetic targets for antimalarial drugs, working with the Bill and Melinda Gates Foundation to establish a consortium of 18 laboratories collectively called the Malaria Drug Accelerator. Paul Sisson, San Diego Union-Tribune, 18 Oct. 2021 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'antimalarial.' 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

1843, in the meaning defined above

Time Traveler
The first known use of antimalarial was in 1843

Dictionary Entries Near antimalarial

Cite this Entry

“Antimalarial.” Dictionary, Merriam-Webster, Accessed 28 May. 2023.

Kids Definition


an·​ti·​ma·​lar·​i·​al ˌant-i-mə-ˈler-ē-əl How to pronounce antimalarial (audio)
: serving to prevent, control, or cure malaria
antimalarial noun

Medical Definition


1 of 2 adjective
an·​ti·​ma·​lar·​i·​al -mə-ˈler-ē-əl How to pronounce antimalarial (audio)
variants or antimalaria
: serving to prevent, check, or cure malaria


2 of 2 noun
: an antimalarial drug
Last Updated: - Updated example sentences
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