elderly -
advanced in years; (`aged' is pronounced as two syllables); "aged members of the society"; "elderly residents could remember the construction of the first skyscraper"; "senior citizen"
old of a very early stage in development; "Old English is also called Anglo Saxon"; "Old High German is High German from the middle of the 9th to the end of the 11th century"
Noun
elderly -
people who are old collectively; "special arrangements were available for the aged"