'Old' in the Bible

And it will come about, in the last days, says God, that I will send out my Spirit on all flesh; and your sons and your daughters will be prophets, and your young men will see visions, and your old men will have dreams:

For the man on whom this act of power was done was more than forty years old.

But when he was almost forty years old, it came into his heart to go and see his brothers, the children of Israel.

And they have had news of you, how you have been teaching all the Jews among the Gentiles to give up the law of Moses, and not to give circumcision to their children, and not to keep the old rules.