Extensive and Radical

Extensive adjective - Having considerable extent.

Radical and extensive are semantically related In some cases you can use "Radical" instead an adjective "Extensive".

Nearby Words: extend, extension, extensively, extensible, extender

Radical adjective - Being very far from the center of public opinion.

Extensive and radical are semantically related in extreme topic. Sometimes you can use "Extensive" instead an adjective "Radical", if it concerns topics such as thoroughgoing.

Nearby Words: radically, radicalism, radicalize, radicalise, radicalised