mid-forties
Noun
Meaning
the time of life between 40 and 50
Source: WordNetSynonyms
Hypernyms
Examples
I'm looking forward to being old, to be able to accept what I am and become self-sufficient. Mid-forties is a good age and it's not too far away.
He did not begin serious work in economics until his mid-forties.
He spent all his career in Florence until his mid-forties, when he travelled to work in various cities, as far south as Rome.