Diehard and Radical

Diehard noun - One who adheres to traditional views.

Radical and diehard are semantically related In some cases you can use "Radical" instead the word "Diehard" as a noun or an adjective.

Radical noun - A person who favors rapid and sweeping changes especially in laws and methods of government.

Diehard and radical are semantically related in extreme topic. Sometimes you can use "Diehard" instead the word "Radical" as a noun or an adjective, if it concerns topics such as militant.

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