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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"
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the time during which someone's life continues;
"the monarch's last days"
"in his final years"