'Unfeeling' in the Bible

They have closed their unfeeling heart,With their mouth they speak proudly.

A wicked man puts on a bold face,But as for the upright, he considers, directs, and establishes his way [with the confidence of integrity].

senseless, faithless, unfeeling, unmerciful,

unfeeling, uncooperative, slanderous, degenerate, brutal, hateful of what is good,