radicalism

noun

rad·​i·​cal·​ism ˈra-di-kə-ˌli-zəm 

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

Like the Fondation Cartier, PAC and the Shed package their radicalism in deluxe architectural confections. — Justin Davidson, Curbed, 29 July 2026

The film can easily be interpreted as a conservative critique of Trumpist radicalism. — Adam Serwer, The Atlantic, 24 July 2026

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

Word History

First Known Use

1817, in the meaning defined at sense 1

Phrases Containing radicalism

• anti-radicalism

Rhymes for radicalism

• activism
• albinism
• altruism
• aneurism
• animism
• aphorism
• atomism
• barbarism
• bolshevism
• botulism
• brahmanism
• calvinism

Kids Definition

radicalism

noun

rad·​i·​cal·​ism ˈrad-i-kə-ˌliz-əm 

: the quality or state of being radical