nouns
a late time of life
"old age is not for sissies"; "he's showing his years"; "age hasn't slowed him down at all"; "a beard white with eld"; "on the brink of geezerhood"
a prolonged period of time
"we've known each other for ages"; "I haven't been there for years and years"
the time during which someone's life continues
"the monarch's last days"; "in his final years"