Concrete and Rigid

Concrete adjective - Existing in fact and not merely as a possibility.

Rigid and concrete are semantically related. In some cases you can use "Rigid" instead an adjective "Concrete".

Nearby Words: concreted, concretion, concretely, concretize, concretise

Rigid adjective - Not allowing for any exceptions or loosening of standards.

Concrete and rigid are semantically related. Sometimes you can use "Concrete" instead an adjective "Rigid".

Nearby Words: rigor, rigidity, rigidly