Definition (absence)
Indicates that someone or something is no longer in a specified place or condition.
He took the keys out of his pocket.
This shop is out of business due to poor sales.
She is finally out of her long period of depression.
out of
Related to word: out
Pharse
Definition (depletion)
Used to indicate that no more of something is available; completely depleted or exhausted.
We are running out of fuel, we need to find a gas station soon.
I am running out of patience; please make a decision quickly.
The restaurant is out of its signature dish, which is a pity.