also hardcore, hard core
1.
You can refer to the members of a group who are the most committed to its activities or who are the most involved in them as a hard core of members or as the hard-core members.
We’ve got a hard core of customers that have stood by us...
A hard-core group of right-wing senators had hoped to sway their colleagues.
N-SING : oft N of n , N n
2.
Hard-core pornography shows sex in a very detailed way, or shows very violent or unpleasant sex. Compare soft-core .
ADJ : ADJ n