| Cold-hearted (a.) Wanting passion or feeling; indifferent. Thesaurus Entries apathetic, callous, cold, cool, cruel, frigid, heartless, indifferent, insensitive, mean, merciless, pitiless, ruthless, thick-skinned, thoughtless, uncaring, uncharitable, unfeeling, unkind, unmerciful, unsympathetic, unthoughtful | ![]() |