Elderly (4)
'elderly' is the definition.
(synonyms)
This is all the clue.
(Other definitions for aged that I've seen before include "Advanced in years" , "Senior" , "not like a callow youth" , "way over the hill" , "well over the hill" .)
'elderly' is the definition.
(similar in meaning)
This is the entire clue.
(Other definitions for old that I've seen before include "Vintage" , "Senescent" , "SECOND PART OF 14" , "Much-used" , "Advanced in years" .)
'elderly' is the definition.
(thesaurus)
This is all the clue.
(Other definitions for aging that I've seen before include "Maturing" , "Getting older" , "Growing older" , "Becoming more grown-up" , "in decline" .)