grow older
grow in years

For the first time he thought of himself growing old, still without her.

But men and women growing old together is not always easy.

His father had been a great King and a good man, but he was growing old.

Yet he had a job to do, and the night was growing old.

He had many miles to go and the day was growing older.

This is natural, as after all you are my only child and I am growing old.

There was quite a bit of talk about growing old.

But as I grew older, other things in my life worked on me.

But as they grew older I got behind the times.