Merriam-Webster Collegiate Dictionary - stony

 also stoney  adjective  (stonier; -est)  Date: before 12th century  1. abounding in or having the nature of stone ; rocky  2.  a. insensitive to pity or human feeling ; obdurate  b. manifesting no movement or reaction ; dumb, expressionless  c. fearfully gripping ; petrifying  3. archaic consisting of or made of stones  4. British stone broke  • stonily adverb  • stoniness noun