Available Definitions:
1) superl. - Of or pertaining to stone, consisting of, or abounding in, stone or stones; resembling stone; hard; as, a stony tower; a stony cave; stony ground; a stony crust.
2) superl. - Converting into stone; petrifying; petrific.
3) superl. - Inflexible; cruel; unrelenting; pitiless; obdurate; perverse; cold; morally hard; appearing as if petrified; as, a stony heart; a stony gaze.