Not youthful (7)
I believe the answer is:
elderly
(Other definitions for elderly that I've seen before include "Fairly old, past middle age" , "... or not of tender years" , "over the hill" , "Not young" , "Getting on in years" .)
I believe the answer is:
elderly
(Other definitions for elderly that I've seen before include "Fairly old, past middle age" , "... or not of tender years" , "over the hill" , "Not young" , "Getting on in years" .)