1. gaunt
She looked gaunt and exhausted.
He left the hospital looking tired and gaunt = thin and bony
The gaunt policeman had a bolt-action rifle slung over one shoulder.
English word "very thin especially from disease or hunger or cold"(gaunt) occurs in sets:
native 1000 słówek2. cadaverous
look at his hollow, cadaverous cheaks
I was shocked by his cadaverous /kəˈdæv.ər.əs/ face and skeleton-like body.