an·​ti·​ma·​lar·​i·​al | \ ˌan-tē-mə-ˈler-ē-əl, ˌan-tī- How to pronounce antimalarial (audio) \

Definition of antimalarial

: serving to prevent, control, or cure malaria

Other Words from antimalarial

antimalarial noun

Examples of antimalarial in a Sentence

Recent Examples on the Web That hasn’t gone quite as well: a scientific quest tangled up in hundreds of studies too small to give real answers, then sidetracked by hype over the antimalarial hydroxychloroquine and then the antiparasitic ivermectin. Adam Rogers, Wired, 19 Nov. 2021 Abuse of antimalarial hydroxychloroquine, touted by former President Trump as a Covid cure, was also up during the pandemic. Robert Hart, Forbes, 22 Sep. 2021 Hundreds of pounds of antimalarial drugs arrived in Utah last year as part of a controversial COVID-19 treatment plan. Bethany Rodgers, The Salt Lake Tribune, 24 Apr. 2021 But the paper’s central claim—that antimalarial drugs increased COVID-19 patients’ risk of death—quickly unraveled as observers questioned the study’s large sample size and details about patient demographics and dosing. Kelly Servick, Science | AAAS, 18 Sep. 2020 Last year, Raoult popularized the antimalarial drug hydroxychloroquine as a COVID-19 treatment. Cathleen O’grady, Science | AAAS, 27 May 2021 For the past year, researchers have been running trials on drugs with anti-inflammatory effects, from ibuprofen to the antimalarial drug hydroxychloroquine. Erin Alberty, The Salt Lake Tribune, 25 Mar. 2021 The state’s push to amass hydroxychloroquine emerged in the early days of the pandemic, as Trump was touting the antimalarial drug as a potential off-label miracle cure for COVID-19. Bethany Rodgers, The Salt Lake Tribune, 29 Mar. 2021 The 22 May 2020 Lancet paper ostensibly showed that hydroxychloroquine, an antimalarial drug promoted by President Donald Trump and others, could harm rather than help COVID-19 patients. Charles Piller, Science | AAAS, 15 Jan. 2021

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

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First Known Use of antimalarial

1843, in the meaning defined above

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The first known use of antimalarial was in 1843

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Last Updated

27 Nov 2021

Cite this Entry

“Antimalarial.” Dictionary, Merriam-Webster, Accessed 5 Dec. 2021.

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More Definitions for antimalarial


an·​ti·​ma·​lar·​i·​al | \ -mə-ˈler-ē-əl How to pronounce antimalarial (audio) \
variants: or antimalaria \ -​ē-​ə How to pronounce antimalarial (audio) \

Medical Definition of antimalarial

 (Entry 1 of 2)

: serving to prevent, check, or cure malaria



Medical Definition of antimalarial (Entry 2 of 2)

: an antimalarial drug


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