rad·​i·​cal·​ism ˈra-di-kə-ˌli-zəm How to pronounce radicalism (audio)
: the quality or state of being radical
: the doctrines or principles of radicals

Examples of radicalism in a Sentence

Recent Examples on the Web Lowery relays the 2012 massacre at a Sikh temple, in Oak Creek, Wisconsin, in which Wade Michael Page, a forty-year-old skinhead who was active in the neo-Nazi music scene, fatally shot six people and wounded four others, in part, through the eyes of a pair of radicalism researchers. Benjamin Wallace-Wells, The New Yorker, 29 Aug. 2023 Far-right radicalism is the nation’s top domestic threat, according to the FBI, particularly in the category known as RMVE, racially motivated violent extremism, the agency’s catchall term for white supremacist and neo-Nazi militants. Bryan Pietsch, Washington Post, 26 Aug. 2023 Some of this is standard Republican radicalism, to be sure. Alex Shephard, The New Republic, 2 June 2023 Part of the original radicalism of Barbie was that girls could use her to act out fantasies of being something other than mothers. Alexandra Lange, The New Yorker, 2 Aug. 2023 Liza Featherstone struck a similar note in her plea last year to resurrect the radicalism of the original Earth Day. Heather Souvaine Horn, The New Republic, 14 Apr. 2023 Small acts of political radicalism delivered online. WIRED, 25 July 2023 While Keller’s radicalism is fascinating, the author occasionally overstates its impact. Barbara Spindel, The Christian Science Monitor, 7 June 2023 Essays certainly address Southern radicalism, but the name Huey Long never appears, and the significance of Southern socialists and union organizers is, at times, undercounted. Scott W. Stern, The New Republic, 26 June 2023 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'radicalism.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1817, in the meaning defined at sense 1

Time Traveler
The first known use of radicalism was in 1817

Dictionary Entries Near radicalism

Cite this Entry

“Radicalism.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/radicalism. Accessed 24 Sep. 2023.

Kids Definition


rad·​i·​cal·​ism ˈrad-i-kə-ˌliz-əm How to pronounce radicalism (audio)
: the quality or state of being radical
Last Updated: - Updated example sentences
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