rad·​i·​cal·​ism | \ ˈra-di-kə-ˌli-zəm \

Definition of radicalism

1 : the quality or state of being radical
2 : the doctrines or principles of radicals

Examples of radicalism in a Sentence

Recent Examples on the Web

The suspect’s parents and two brothers, also known for radicalism, were detained, a judicial official said. Elaine Ganley, The Seattle Times, "Gunman from Christmas market attack in France still at large," 12 Dec. 2018 Many people view the call to abolish ICE, the Immigration and Customs Enforcement agency, as an irresponsible act of radicalism. Kathleen Frydl, Vox, "Why we should abolish ICE — and the DEA too," 14 Aug. 2018 Once he was killed, much of this was forgotten; curiously, while King’s popular image tends to forget his evolving radicalism, with Kennedy it is emphasized. Benjamin Hedin, chicagotribune.com, "50 years later: 'The Promise and the Dream' explores interrupted work of MLK and Robert Kennedy," 28 Mar. 2018 Local media reported that Education and Culture Minister Muhajir Effendy said the parade was misinterpreted and the staff of the school, located inside a local military command, had no intention to instill radicalism in children. Fox News, "Indonesian officials defend parade of veiled kids with guns," 21 Aug. 2018 But a congressional majority for his party might equally encourage radicalism. The Economist, "AMLO, Mexico’s answer to Donald Trump," 23 June 2018 But fears of Syrizification, when a left-wing party surrenders its radicalism, means some Labour activists may be unwilling to do so. The Economist, "Why Labour is obsessed with Greek politics," 28 June 2018 The assailant had been on a nationwide database of thousands of people suspected of links to radicalism, according to a judicial official. Angela Charlton, BostonGlobe.com, "Authorities were keeping an eye on Paris attacker," 13 May 2018 The man behind a deadly knife attack in central Paris was born in Chechnya and had been on police radar for radicalism, and his parents have been detained for questioning, French authorities said Sunday, May 13, 2018. Washington Post, "Friend of French knife attacker may face charges in rampage," 18 May 2018

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

1817, in the meaning defined at sense 1

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Last Updated

9 Jan 2019

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Time Traveler for radicalism

The first known use of radicalism was in 1817

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English Language Learners Definition of radicalism

: the opinions and behavior of people who favor extreme changes especially in government : radical political ideas and behavior

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More from Merriam-Webster on radicalism

Rhyming Dictionary: Words that rhyme with radicalism

Spanish Central: Translation of radicalism

Nglish: Translation of radicalism for Spanish Speakers

Britannica English: Translation of radicalism for Arabic Speakers

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someone who never drinks alcohol

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