Stony-hearted is a term that describes a person who lacks compassion or sympathy. Its antonyms, on the other hand, refer to individuals who are kind, tender-hearted, and empathetic. Some of the antonyms for stony-hearted include compassionate, kind-hearted, understanding, sympathetic, gentle, considerate, caring, loving, and warm-hearted. These are the characteristics of people who have a softer side and are willing to show concern and understanding towards others. They are often the ones we turn to when we need a shoulder to cry on or when we need comforting words. In essence, the antonyms for stony-hearted remind us of the importance of being compassionate and understanding towards others.