have a heart of stone

have a heart of stone

Fig. to be cold and unfriendly. Sally has a heart of stone. She never even smiles. The villain in the play had a heart of stone. He was cruel to everyone.
See also: have, heart, of, stone

have a heart of stone

to be cruel and have no sympathy for people He wouldn't help his own mother if she needed it - he's got a heart of stone.
See also: have, heart, of, stone