gaunt

Adjective

• 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
    

Related words

• Synonyms: 
  bony , cadaverous , emaciated , haggard , pinched , skeletal , wasted