run out

to finish, use, or sell all of something, so that there is none left:
I've run out of milk/money/ideas/patience.
"Do you have any milk?" "Sorry, I've run out."

If a supply of something runs out, all of it has been used or it is completely finished:
The milk has run out.
My patience is beginning to run out.

If a document or official agreement runs out, the period of time for which it lasts finishes:
My passport runs out next month - I must get it renewed.
time is running out

used to say that there is not much time left in which to achieve something:
Time is running out for the men trapped under the rubble.
We've run out of toilet roll.
I'll have to stop you there, we've run out of time.
I've run out of milk - would you like some creamer instead?
They squatted (in) an old house in King's Cross when their money ran out.
The lease runs out in two years' time.
(Cambridge Advanced Learner's Dictionary & Thesaurus からの run out の定義 © Cambridge University Press)

アメリカ英語辞典
to use something completely so that nothing is left:
He just ran out of ideas.
Time is running out (= There is only a little time left).
(Cambridge Academic Content Dictionary からの run out の定義 © Cambridge University Press)

ビジネス英語
to finish, use, or sell all of something, so that there is none left:
run out of sth We are about to run out of paper and toner.
The order for more forms should be placed before we run out.

if a supply of something runs out, all of it has been used or it is completely finished:
Oil supplies are low, but they have not run out yet.
My patience is beginning to run out.

if a document or official agreement runs out, the period of time for which it is effective finishes:
My passport runs out next month.
(Cambridge ビジネス英語辞典 からの run out の定義 © Cambridge University Press)

- Cambridge Dictionary