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.

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

A radical is someone who has radical views. Vanessa and I had been student radicals together at Berkeley from 1965 to 1967.

Dec 18, 2025 · radical (comparative more radical, superlative most radical) Favoring fundamental change, or change at the root cause of a matter.