ma·​lar·​ia | \ mə-ˈler-ē-ə How to pronounce malaria (audio) \

Definition of malaria

1a : a human disease that is caused by sporozoan parasites (genus Plasmodium) in the red blood cells, is transmitted by the bite of anopheline mosquitoes, and is characterized by periodic attacks of chills and fever
b : any of various diseases of birds and mammals caused by blood protozoans
2 archaic : air infected with a noxious substance capable of causing disease especially : miasma

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Other Words from malaria

malarial \ mə-​ˈler-​ē-​əl How to pronounce malarial (audio) \ adjective
malarious \ mə-​ˈler-​ē-​əs How to pronounce malarious (audio) \ adjective

Examples of malaria in a Sentence

Recent Examples on the Web Hospitals in some countries are already overburdened by deadly infectious diseases, including Ebola, measles and malaria. Nicholas Bariyo, WSJ, "Africa Girds for Tough Fight Against Virus," 8 Feb. 2020 Lyme disease is expected to increase by 20 percent in the next decade, with greater range expected for West Nile virus and malaria as well through mosquitos’ longer life spans. Kate Aronoff, The New Republic, "How Medicare for All Could Help Fight Pandemics," 29 Jan. 2020 In other cases, malaria will erupt into the blood much faster. oregonlive, "Thousands of mosquitoes to help in OHSU’s fight to eliminate malaria," 25 Jan. 2020 While meaningful gains have been made through targeted foci on HIV, maternal health or malaria for example, massive disparities still exist around the globe. Stat Staff, STAT, "What will 2020 bring for medicine and science? We asked 16 leaders for predictions," 30 Dec. 2019 Its popularity is a legacy of the Victorian era, when malaria plagued the territory. Dexter Filkins, The New Yorker, "The Mail," 30 Dec. 2019 More than 213 million people were affected by malaria in Africa in 2018, with 380,000 deaths, according to WHO’s World Malaria Report 2019. Amindeh Blaise Atabong, Quartz Africa, "Africa’s medical scientists are struggling to get funding to back their research," 13 Dec. 2019 So too are the increases in malaria, dengue fever, lung disease and starvation that are more common in an overheated world shrouded in dirty air. Time, "The Irony of Finding So Many Exoplanets in a Time of Climate Change," 21 Jan. 2020 Infectious diseases -- such as human immunodeficiency virus or HIV, tuberculosis, viral hepatitis and malaria, among others -- will kill an estimated 4 million people around the world this year, most of them poor, according to WHO. Jacqueline Howard, CNN, "Climate crisis, epidemics and drug resistance among next decade's urgent health challenges, WHO says," 14 Jan. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'malaria.' 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 malaria

1740, in the meaning defined at sense 2

History and Etymology for malaria

Italian, from mala aria bad air

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Time Traveler for malaria

Time Traveler

The first known use of malaria was in 1740

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Statistics for malaria

Last Updated

26 Feb 2020

Cite this Entry

“Malaria.” Dictionary, Merriam-Webster, Accessed 26 Feb. 2020.

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More Definitions for malaria


How to pronounce malaria (audio)

English Language Learners Definition of malaria

medical : a serious disease that causes chills and fever and that is passed from one person to another by the bite of mosquitoes


ma·​lar·​ia | \ mə-ˈler-ē-ə How to pronounce malaria (audio) \

Kids Definition of malaria

: a serious disease with chills and fever that is spread by the bite of a mosquito


ma·​lar·​ia | \ mə-ˈler-ē-ə How to pronounce malaria (audio) \

Medical Definition of malaria

1 : an acute or chronic disease caused by the presence of sporozoan parasites of the genus Plasmodium in the red blood cells, transmitted from an infected to an uninfected individual by the bite of anopheline mosquitoes, and characterized by periodic attacks of chills and fever that coincide with mass destruction of blood cells and the release of toxic substances by the parasite at the end of each reproductive cycle malaria remains the greatest single cause of debilitation and death throughout the worldJournal of the American Medical Association — see falciparum malaria, vivax malaria
2 : any of various diseases of birds and mammals that are more or less similar to malaria of human beings and are caused by blood protozoans

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More from Merriam-Webster on malaria

Rhyming Dictionary: Words that rhyme with malaria

Spanish Central: Translation of malaria

Nglish: Translation of malaria for Spanish Speakers

Britannica English: Translation of malaria for Arabic Speakers Encyclopedia article about malaria

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