UK, Australia, and New Zealand standard spelling of aging.

UK, Australia, and New Zealand standard spelling of aging.

Old enough to be considered an adult (in law, or by society generally). / (formal, idiomatic, law, usually literary) Having existed for a certain period of time; used in referring to a person's age.

plural of ageing

Aged, elderly, old. / (rare) Eternal, everlasting.

(rare) An eternity, a perpetuity.

(Ireland, informal) for a long time

(idiomatic) Especially memorable and noteworthy; deserving to endure for a very long time.

(idiomatic) In a manner that produces long-lasting effects; for posterity; for a very long duration.

(UK) To be approximately the same age as.