1. lifelong
I like to do oil painting, but I don't intend to make that my lifelong occupation.
lifelong ambition
The majority of people believe that marriage is a lifelong commitment.
She was a lifelong member of the Labour party.
And you will have the lifelong appreciation of a grateful president.
He was doomed to life-long poverty.
Lifelong education means perpetual retraining.
Working in the Kremlin has been my lifelong dream.
2. for a lifetime