extremism

noun

ex·​trem·​ism ik-ˈstrē-ˌmi-zəm How to pronounce extremism (audio)
1
: the quality or state of being extreme
2
: advocacy of extreme measures or views : radicalism
extremist noun or adjective

Examples of extremism in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Some Western observers have seized on reports that certain clans and groups, like the Doghmush and the Shabab, are openly cooperating with Israeli forces, interpreting this as a rejection of Hamas's extremism. Bobby Ghosh, Time, 16 Oct. 2025 The rise in extremism, in both parties, is not good for most of the nation. Harvey Levine, San Diego Union-Tribune, 14 Oct. 2025 We are united in our determination to dismantle extremism and radicalization in all its forms. Hollie Silverman, MSNBC Newsweek, 13 Oct. 2025 Johnston smartly pointed to the 1941 Senate investigations into anti-Nazi movies where Hollywood adequately defended their industry against claims of extremism and warmongering. Chris Yogerst, HollywoodReporter, 6 Oct. 2025 See All Example Sentences for extremism

Word History

First Known Use

1865, in the meaning defined at sense 1

Time Traveler
The first known use of extremism was in 1865

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Cite this Entry

“Extremism.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/extremism. Accessed 22 Oct. 2025.

Kids Definition

extremism

noun
ex·​trem·​ism ik-ˈstrē-ˌmiz-əm How to pronounce extremism (audio)
1
: the quality or state of being extreme
2
: belief in and support for extreme ideas especially in politics
extremist noun or adjective

More from Merriam-Webster on extremism

Last Updated: - Updated example sentences
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