Adjective: hardhearted 'haa(r)d'haa(r)-tid
- Lacking in feeling, pity or warmth
"His hardhearted response to the tragedy shocked everyone";
- heartless
- Devoid of feeling for others
"The hardhearted landlord evicted the family despite their pleas";
- stonyhearted, unfeeling, feelingless [rare]
See also: flint, flinty, granitic, obdurate, stony, uncompassionate
Antonym: soft-boiled