Concrete and Rock-hard

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

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

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

Concrete and rock-hard are semantically related. You can use "Concrete" instead an adjective phrase "Rock-hard".