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

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

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

All About Radical Equation Calculator The first time you see a radical equation, something like √ (x + 3) = 7 √(x+3)= 7 — it can feel as if math is suddenly speaking another language. Radicals (that’s the …

If something is considered extremist or very different from anything that has come before it, call it radical.

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

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

An individual atom or element as a constituent of a compound was formerly termed a simple radical, as distinct from a group or compound radical. The use of the word for single atoms is now unusual …

Jan 20, 2026 · 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 stopping short …

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