emaciated
Concise Oxford English Dictionary © 2008 Oxford University Press:
emaciated /ɪˈmeɪsɪeɪtɪd, ɪˈmeɪʃ-/
▶adjective abnormally thin and weak.
– derivatives
emaciation noun.
emaciation noun.
– origin C17: from L. emaciat-, emaciare ‘make thin’.
'emaciated' also found in these Oxford entries:

