Hard core and Orgiastic

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

Orgiastic and hard core are semantically related. in sexually aroused topic. In some cases you can use "Orgiastic" instead an adjective phrase "Hard core".

Orgiastic adjective - Used of frenzied sexual activity.

Hard core and orgiastic are semantically related. Sometimes you can replace phrase "Hard core" with "Orgiastic", this terms are similar.