Synonyms: unfeeling, stonyhearted, hardhearted
Definition: devoid of feeling for others
Usage: an unfeeling wretch
Similar words: uncompassionate
Definition: lacking compassion or feeling for others
Usage: nor silver-shedding tears could penetrate her uncompassionate sire- Shakespeare
Synonyms: hardhearted, heartless
Definition: lacking in feeling or pity or warmth
Similar words: granitic, obdurate, stony, flint, flinty
Definition: showing unfeeling resistance to tender feelings
Usage: his flinty gaze; the child's misery would move even the most obdurate heart