radical

Definitions

Relating to or affecting the fundamental nature of something; far-reaching or thorough.

Advocating or based on thorough or complete political or social change.

A person who holds or follows strong convictions or extreme principles.

Examples

The company decided to make a radical change to its business model to stay competitive.

She is known for her radical views on environmental conservation and sustainable living.

Synonyms

revolutionary extreme drastic fundamental progressive thorough fanatical

Antonyms

conservative moderate traditional reactionary superficial conventional orthodox