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extremism

noun

ex·​trem·​ism ik-ˈstrē-ˌmi-zəm How to pronounce extremism (audio)
Synonyms of extremismnext
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.
Over the past week, Fox News Digital's Campus Radicals series uncovered threats, animus and extremism directed at conservative college students and organizations across the country. Peter D'abrosca, FOXNews.com, 6 Dec. 2025 Fans—Passion may fuel identity, but identity fuels extremism. Rick Burton, Sportico.com, 4 Dec. 2025 Many of those who trade in ideas that overturn the status quo are drawn to power and have a particular weakness for extremism. George Packer, The Atlantic, 24 Nov. 2025 But the only personnel in Nigeria are embassy staff with no persistent presence of troops in West Africa or the Sahel region, which military warns is a hotbed for extremism. Anne Flaherty, ABC News, 20 Nov. 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 7 Dec. 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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