Synonyms of coldhearted

1 Syllable
crass, hard, tough
2 Syllables
stony, bloodless, tactless, unkind, stonier, aloof, heartless
3 Syllables
incurious, feelingless, pitiless, hardened, thick-skinned, hard-as-nails, hardhearted, hardboiled, uncaring, obtuse, hard-boiled, unfeeling
4 Syllables
unmerciful, unconcerned
5 Syllables
unemotional, unresponsive, insusceptible, unsusceptible, insensitive, imperceptive