antimalarial

American  

[an-tee-muh-lair-ee-uhl, an-tahy‑] / ˌæn ti məˈlɛər i əl, ˌæn taɪ‑ /

adjective

1. of or relating to a substance that is used in the treatment or prevention of malaria.

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noun

1. any such substance, as a drug.

antimalarial British  

/ ˌæntɪməˈlɛərɪəl /

adjective

1. effective in the treatment of malaria

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noun

1. an antimalarial drug or agent

Etymology

Origin of antimalarial

First recorded in 1890–95; anti- + malarial

Example Sentences

Their work has identified a specialized protein that the parasite needs in order to survive and move between hosts, making it a promising target for future antimalarial drugs.

From Science Daily • Mar. 5, 2026

It is combined in the drug candidate with a new formulation of lumefantrine, an antimalarial currently used in artemisinin therapies.

From The Wall Street Journal • Nov. 12, 2025

The last time resistance to an antimalarial spread in Africa it led to a tripling in the number of children dying.

From BBC • Jul. 18, 2024

The earlier a malaria infection is caught, the better the chances that antimalarial medications can help prevent the development of severe malaria, when the disease spreads to critical organs in the body.

From Salon • Jun. 3, 2024

He started taking malaria pills, but they didn’t do any good, so he asked one of the nurses to give him an injection of an antimalarial drug.

From "The Hot Zone" by Richard Preston