bad-hearted

See: diabolic
References in classic literature ?
in truth, it is just so with me; you are, nevertheless, it must be confessed, a very bad-hearted young man.
Grimwig was not by any means a bad-hearted man, and though he would have been unfeignedly sorry to see his respected friend duped and deceived, he really did most earnestly and strongly hope at that moment, that Oliver Twist might not come back.
Thus these bad-hearted nephews of King Aegeus, who were the own cousins of Theseus, at once became his enemies.