The meaning of RADICAL is of, relating to, or proceeding from a root. How to use radical in a sentence.

RADICAL meaning: 1. believing or expressing the belief that there should be great or extreme social or political…. Learn more.

If something is considered extremist or very different from anything that has come before it, call it radical. The noun, radical, comes from the Latin radix "root," and in fact, radical and root are …

a person holding radical views, esp. one favoring fundamental social or economic change

Definition of radical adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Nov 2, 2025 · radical (plural radicals) (historical, 19th-century Britain, politics) A member of the most progressive wing of the Liberal Party; someone favouring social reform (but generally …

Relating to or advocating fundamental or revolutionary changes in current practices, conditions, or institutions: radical politics; a radical political theorist.

thoroughgoing, complete, or extreme: a radical change in policy. Government favoring drastic or extreme political, economic, or social reforms: radical politics.

The indicated root of a quantity or quantities, shown by an expression written under the radical sign.

Radical definition: of or going to the root or origin; fundamental.. See examples of RADICAL used in a sentence.