way out plural ways out [countable]
1DHTBB British English
a door or passage through which you leave a building [= exit]
a way to escape a difficult or bad situation:
He was in a dilemma, and could see no way out.
if you do something on the way out, you do it as you leave a place:
Pick up your mail on the way out.
soon to be replaced by someone or something else:
The old type of passport is on its way out.