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

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

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

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

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

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

Definition of radical adjective from the Oxford Advanced Learner's Dictionary. relating to the most basic and important parts of something; complete and detailed synonym far-reaching. This document …