Webster's 1913 Dictionary
HARD-HEARTED
HARD-HEARTED Hard "-heart `ed, a.
Defn: Unsympathetic; inexorable; cruel; pitiless. -- Hard "-heart `ed *ness, n.
New American Oxford Dictionary
hard-hearted
hard-heart ed |ˈhɑrd ˈˌhɑrdəd | ▶adjective incapable of being moved to pity or tenderness; unfeeling. DERIVATIVES hard-heart ed ly adverb, hard-heart ed ness noun
Oxford Dictionary
hard-hearted
hard-hearted ▶adjective incapable of being moved to pity or tenderness; unfeeling. DERIVATIVES hard-heartedly adverb, hard-heartedness noun
American Oxford Thesaurus
hard-hearted
hard-hearted adjective he's not nearly as hard-hearted as he pretends to be: unfeeling, heartless, cold, hard, callous, unsympathetic, uncaring, unloving, unconcerned, indifferent, unmoved, unkind, uncharitable, unemotional, cold-hearted, cold-blooded, mean-spirited, stony-hearted, having a heart of stone, as hard as nails, cruel. ANTONYMS compassionate.
Oxford Thesaurus
hard-hearted
hard-hearted adjective only the most hard-hearted man would not have offered comfort: unfeeling, heartless, cold, hard, unsympathetic, uncaring, unloving, unconcerned, indifferent, intolerant, unmoved, unkind, uncharitable, unemotional, stony, cold-hearted, cold-blooded, lacking compassion, mean-spirited, without sentiment, stony-hearted, with a heart of stone, hard as nails; cruel, brutal, callous, savage, inhuman, merciless, pitiless. ANTONYMS compassionate.