ex·​trem·​ism | \ik-ˈstrē-ˌmi-zəm \

Definition of extremism 

1 : the quality or state of being extreme

2 : advocacy of extreme measures or views : radicalism

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Other Words from extremism

extremist \ ik-​ˈstrē-​mist \ noun or adjective

Examples of extremism in a Sentence

Recent Examples on the Web

Here’s a subject that hasn’t gotten nearly enough attention to date: how podcasts amplify extremism. Casey Newton, The Verge, "Four ways the internet changed the midterm elections," 7 Nov. 2018 Trump administration officials have pushed back on the notion that Mr. Trump has stoked extremism. Felicia Schwartz, WSJ, "Israeli Minister Calls It Unfair to Link Trump with Synagogue Shooting," 31 Oct. 2018 Among legal scholars, there is debate about the extremism of his judicial philosophies. Lauren Duca, Teen Vogue, "The Nomination of Brett Kavanaugh to the Supreme Court Feels Inevitable. But We Can Actually Stop Him.," 31 Aug. 2018 An initiative by YouTube to minimize the exposure of videos advocating extremism is falling short, according to a new report from researchers with the Counter Extremism Project (CEP). Justin Carissimo, CBS News, "YouTube's efforts to combat extremist videos falling short, researchers say," 17 May 2018 French President Emmanuel Macron arrived in Nouakchott Monday to discuss the battle against Islamic extremism and ways to finance counterterrorism and peacekeeping operations. Ahmed Mohamed, The Seattle Times, "African leaders talk security with French president," 2 July 2018 For defenders of the move, Austria’s decision was a necessary stance against radical religious extremism. Tara Isabella Burton, Vox, "Austria is closing 7 mosques and kicking out 60 imams," 8 June 2018 The group's aims, supposedly directed against extremism, dovetailed with the ideas of the country's growing far-right culture — a potent mix of nationalism, anti-Muslim prejudice and conspiracy theories that thrives online. Fox News, "A dream of uniting UK soccer fans swerves to the far right," 3 June 2018 In recent years the Asian nation has been fighting against radical extremism as ISIS attempts to recruit members within the country. CNN, "Suicide bombers target three churches in Indonesia, killing at least 10," 13 May 2018

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

1865, in the meaning defined at sense 1

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Statistics for extremism

Last Updated

16 Nov 2018

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Time Traveler for extremism

The first known use of extremism was in 1865

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English Language Learners Definition of extremism

: belief in and support for ideas that are very far from what most people consider correct or reasonable

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Britannica English: Translation of extremism for Arabic Speakers

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