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

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.

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

RADICAL meaning: 1 : very new and different from what is traditional or ordinary; 2 : very basic and important

of or from the root or roots; going to the foundation or source of something; fundamental; basic a radical principle

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

Nov 2, 2025 · radical (comparative more radical, superlative most radical) Favoring fundamental change, or change at the root cause of a matter.

Of or pertaining to the root; proceeding directly from the root. 2. Hence: Of or pertaining to the root or origin; reaching to the center, to the foundation to the ultimate sources to the principles, or …

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 …