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

“Now is the time to act before millions of people die due to increasingly ineffective antimalarial treatments,” said Prof Olugbenga Mokuolu, from the department of paediatrics at the University of Ilorin in Nigeria.

From BBC • Jul. 18, 2024

The antimalarial is administered orally as soon as patients learn they are pregnant and, if taken on regularly, can significantly reduce the chances of severe malaria over the course of gestation.

From Salon • Jun. 3, 2024

Much of what we do know has been learned through hard experience in the antimalarial campaigns carried out by the World Health Organization.

From "Silent Spring" by Rachel Carson