a. 1. Destitute of feeling; void of sensibility; insensible; insensate. [ 1913 Webster ]
2. Without kind feelings; cruel; hard-hearted. [ 1913 Webster ]
To each his sufferings: all are men, Condemned alike to groan; The tender for another's pain, Th' unfeeling for his own. Gray. [ 1913 Webster ]
-- Un*feel"ing*ly, adv. -- Un*feel"ing*ness, n. [ 1913 Webster ]