elderlyA large number of elderly people live alone.
the elderlyMany among the elderly cannot afford to pay their electricity bills.
agedHe has to look after his aged aunt.
ageingUKThe ageing chairman was forced to retire.
getting oninformalHe's getting on in years. He'll soon be eighty.
over the hillinformalhumorousI'm only forty, you know. I'm not over the hill yet!