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
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Obi Anyadike is Senior Africa Editor at The New Humanitarian, with a focus on violent extremism. Obi Anyadike, semafor.com, 23 Mar. 2026 Experts on extremism and jihadist terrorism said this pledge of allegiance is an important aspect of these attacks for the individual terrorist, for the group and for the American legal system. Eric Levenson, CNN Money, 22 Mar. 2026 And security analysts fear that other assaults on the Jewish community have or may yet come from other individuals radicalized by Middle Eastern extremism. Joshua M. Davidson, New York Daily News, 22 Mar. 2026 Access to mental health specialists trained in understanding the risks of violent extremism can make a huge difference, said Brette Steele, president of Eradicate Hate Global Summit, which formed in 2018 in the aftermath of the Tree of Life Synagogue massacre in Pittsburgh. Natalie Eilbert, jsonline.com, 19 Mar. 2026 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 25 Mar. 2026.

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

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