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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.


noun

  1. any such substance, as a drug.

antimalarial British  
/ ˌæntɪməˈlɛərɪəl /

adjective

  1. effective in the treatment of malaria

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

noun

  1. an antimalarial drug or agent

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of antimalarial

First recorded in 1890–95; anti- + malarial

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Then, in 2020, it pivoted again when it landed a $765 million government loan to help expedite domestic production of drugs such as the antimalarial medication hydroxychloroquine.

From The Wall Street Journal • Apr. 15, 2026

“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 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

The participants were healthy, nonpregnant adults, ages 18 to 59, who were not taking antimalarial drugs, as well as older children, ages 8 to 17.

From Science Daily • Jan. 4, 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