radicalism

noun

rad·​i·​cal·​ism ˈra-di-kə-ˌli-zəm How to pronounce radicalism (audio)
Synonyms of radicalismnext
1
: the quality or state of being radical
2
: the doctrines or principles of radicals

Examples of radicalism in a Sentence

Recent Examples on the Web
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For those manufacturers, and for the neoliberals who appropriated Kahlo to sell free trade with Mexico, her life of political radicalism is left unmentioned. Jonathon Keats, Forbes.com, 29 June 2026 Many of the area’s neighborhoods are reliably progressive but not known for their radicalism. Michelle Goldberg, Mercury News, 27 June 2026 After a crushing election defeat in 2019, Starmer was chosen as Corbyn’s successor – seen as a safer pair of hands after Labour’s years of radicalism. Christian Edwards, CNN Money, 22 June 2026 Protesters slammed the progressive leader, accusing him of fueling radicalism and failing to safeguard the Jewish community. Staff, FOXNews.com, 4 June 2026 See All Example Sentences for radicalism

Word History

First Known Use

1817, in the meaning defined at sense 1

Time Traveler
The first known use of radicalism was in 1817

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Cite this Entry

“Radicalism.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/radicalism. Accessed 2 Jul. 2026.

Kids Definition

radicalism

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

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