# radicalism

/ˈɹædɪkəˌɫɪzəm/ (US) · /ɹˈædɪkəlˌɪzəm/ (UK) · CEFR C1 · Noun

Source: https://englishreference.com/word/radicalism
Updated: 2026-05-19

## Definition

a strong belief in making very big and sudden changes to society or government. It often involves wanting to get rid of the old system completely.

For teachers: the advocacy of fundamental and often violent political or social change. Refers to the pursuit of extreme reforms or the rejection of traditional institutions.

## Examples

- The new leader's radicalism caused a lot of fear among the old guard.
- The rapid rise of radicalism in the region led to the collapse of the previous government and a period of intense civil unrest.
- While some viewed the movement's radicalism as a necessary catalyst for progress, others argued that such abrupt shifts in policy would destabilize the economy for years to come.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.