advancing
the age of someone who is considered older than other people in the same group or doing the same thing:
The advanced age of the mother raises the risk of birth defects in the baby.
at the advanced age ofShe has launched a music career at the somewhat advanced age of 35.
See alsoadvanced
As people reach advanced age, their reflexes slow down and their eyesight is not as sharp.
Why are so many more people living to such advanced ages?
Despite his advanced years, he is extremely active and interested.