To have no more of something left because you have used it all.
We ran out of bread, so I need to go to the shop.
A: Can you make some tea? B: Sorry, we've run out of tea bags.
During my trip, we ran out of money and had to be very careful with our spending.
Common mistake
✗We ran out milk.
✓We ran out of milk.
'Run out OF' + the thing. ('We've run out' alone is fine if the thing is obvious.)
Tell it apart
We've run out of time.
none left
The dog ran out of the house.
ran outside
Use 'run out of' when you completely finish something, like food, money, or time.Not the same as 'run out' (leave quickly); 'run out of' always means you have nothing left.