skeletal in WordNet English dictionary

1. very thin especially from disease or hunger or cold
   "emaciated bony hands"; "a nightmare population of gaunt men and skeletal boys"; "eyes were haggard and cavernous"; "small pinched faces"; "kept life in his wasted frame only by grim concentration"
   bony  cadaverous  emaciated  gaunt  haggard  pinched  skeletal  wasted 
   
2. of or relating to or forming or attached to a skeleton
   "the skeletal system"; "skeletal bones"; "skeletal muscles"
   skeletal