'hardhearted' definitions:

Definition of 'hardhearted'

(from WordNet)
adjective
Lacking in feeling or pity or warmth [syn: hardhearted, heartless] [ant: soft-boiled, softhearted]
adjective
Devoid of feeling for others; "an unfeeling wretch" [syn: hardhearted, stonyhearted, unfeeling]