Hard core and Retentive

Hard core noun - The most dedicated and intensely loyal nucleus of a group or movement.

Retentive and hard core are semantically related. In some cases you can use "Retentive" instead an adjective phrase "Hard core".

Retentive adjective - Having the capacity to retain something.

Hard core and retentive are semantically related. Sometimes you can use "Hard core" instead an adjective "Retentive".

Nearby Word: retention