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Definition of radicalism

radicalism

/ˈræd.ɪ.kəl.ɪz.əm/
rad · i · cal · ism
Adverb:radically
•
Plural:radicalisms
•
Adjective:radical
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radicalism Lexical Profile

radicalism Game Scores & Validity

• noun

1

The beliefs or practices of people who advocate thorough or complete political, economic, or social reform by addressing fundamental systemic issues.

Example

"The historian traced the rise of political radicalism among nineteenth-century industrial workers."

2

The quality of being far-reaching, unconventional, or departing sharply from established norms or traditions in art, science, or thought.

Example

"Critics praised the artistic radicalism of her early architectural designs."

Synonyms
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Antonyms
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• Rhymes for radicalism

• Nearby Words

radiation
radiator
radical
radicalism
radicalization
radicalize
radically

Word Origin & Etymology

Coined in the early 19th century from the adjective 'radical' (ultimately from Latin radix, meaning 'root') and the suffix '-ism', originally denoting British political reformers who advocated thoroughgoing democratic changes at the very root of the electoral system.

Cite this Entry

Wordmom. (2026). Definition of Radicalism. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/radicalism
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