older

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”

older brother or sister

• “big sister”

used of the older of two persons of the same name especially used to distinguish a father from his son

• “Bill Adams, Sr.”

old in experience

• “an old offender”
• “the older soldiers”