Relating to or advocating fundamental or revolutionary changes in current practices, conditions, or institutions: radical politics; a radical political theorist. RADICAL definition: of or going to the root or origin; fundamental. See examples of radical used in a sentence. RADICAL definition: 1. believing or expressing the belief that there should be great or extreme social or political.. Learn more.

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The meaning of RADICAL is of, relating to, or proceeding from a root. How to use radical in a sentence. RADICAL meaning: 1 : very new and different from what is traditional or ordinary; 2 : very basic and important thoroughgoing, complete, or extreme: a radical change in policy. Government favoring drastic or extreme political, economic, or social reforms: radical politics. If something is considered extremist or very different from anything that has come before it, call it radical. Definition of radical adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. Dec 18, 2025Β Β· radical (comparative more radical, superlative most radical) Favoring fundamental change, or change at the root cause of a matter.

Definition of radical adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. Dec 18, 2025Β Β· radical (comparative more radical, superlative most radical) Favoring fundamental change, or change at the root cause of a matter.

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