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
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One America, with coastal elites in places like New York City and Los Angeles, who continue to steamroll towards full-on Marxism, and another with ordinary, hard-working Americans across the country, like here in the great state of Alaska, who don’t embrace this extremism. Mike Dunleavy, New York Daily News, 14 July 2025 Many of those dismissed worked on issues including countering violent extremism, helping Afghans who fled after the Taliban takeover, educational exchanges, and programs supporting women's rights, refugees, and climate change. Martha McHardy, MSNBC Newsweek, 12 July 2025 Canadian police official warns 'traditional values' may signal growing extremism. FOXNews.com, 11 July 2025 These heinous murders are a reflection of the extremism and political violence that have been fomented in our country. Molly Guthrey, Twin Cities, 14 June 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 21 Jul. 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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