aging1 adjectiveaging2 noun
agingag‧ing1 (also ageing British English) /ˈeɪdʒɪŋ/ adjective [only before noun] 
EXAMPLES FROM OTHER DICTIONARIES
- a fleet of aging airplanes
- Both have for years eked lacklustre profit out of aging products.
- For aging family members who live on their own, family bonds do seem to hold up.
- She thought of him as an aging hippy.
- The aging pirate king facing the youthful bandit prince-patriarch against upstart - monarch against usurper.
- Their aging parents will be looked after in private homes.
- We have an aging population and a growing number of residential care homes in the private, voluntary and statutory sectors.
- What power it had was in the hands of an aging bureaucracy.
THESAURUSperson
having lived for a long time: · an old man· I’m too old to learn a new language.
a polite word for old: · an elderly lady· a home for the elderly (=elderly people)· If you are elderly, you may be eligible for financial assistance.
(also ageing British English) [only before noun] becoming old: · an ageing rock star· the problems of an ageing population
[only before noun] written aged relatives are very old: · aged parents· She had to look after her aged aunt.
especially British English [only before noun] an older brother or sister. Elder sounds more formal than older: · I have two elder brothers.
[not usually before noun] informal very old – used humorously: · I’ll be 30 next year – it sounds really ancient!
informal to be fairly old: · He’s 60 now, so he’s getting on a bit.
(also be past it British English) informal to be too old to do something: · Everyone thinks you’re past it when you get to 40.
[only before noun] relating to medical care and treatment for old people: · a geriatric hospital· geriatric patients
Longman Language Activatorto become or start to look old · Aunt Bertha's getting old now, and she needs someone to take care of her.grow old gracefully (=accept old age easily) · She wanted to grow old gracefully, and retire to a cottage in the country.
if someone ages , they change so that they look older, because they have lived a long time or because they have suffered a lot over a particular period: · I couldn't believe how much she had aged.· She noticed for the first time how Frederick had aged.· Western men tend to age more quickly than Japanese men.
the process of becoming old: · Our society is full of negative attitudes towards ageing and old people.the ageing/aging process: · Some memory loss is a normal part of the aging process.premature ageing/aging (=ageing earlier than usual): · His hair was white and he showed other signs of premature ageing.
if someone shows their age , they look older, or they talk or behave in a way that makes other people realize they are old: · She's still very beautiful, but she's starting to show her age now.· This is probably showing my age, but I remember when popcorn cost 25 cents and came in those little white paper bags.
COLLOCATIONS FROM THE ENTRY
Europe’s ageing population (=with more old people than before)
becoming old: Europe’s ageing population (=with more old people than before) aging movie stars Europe’s ageing population (=with more old people than before)► see thesaurus at oldaging1 adjectiveaging2 noun
agingaging2 (also ageing British English) /ˈeɪdʒɪŋ/ noun [uncountable] the process of getting old: Memory loss is often a part of ageing.