out of sth
prep. phr..prep. phr.. To have no more of something left. You use this when you have used all of something, like sugar or coffee, and now there is none.
prep. phr.. A prepositional phrase indicating the depletion or exhaustion of a supply.
We are out of milk.
I can't print the report because the printer is out of paper.
The expedition was forced to turn back after discovering they were almost out of rations with three days still to go.
This phrase is very common with the verbs 'to be' and 'to run' (e.g., 'we are out of...' or 'we have run out of...').
Contrast 'be out of' (a state) with 'run out of' (a process): 'We ran out of bread yesterday, so today we are out of bread'.
We are out of the milk.We are out of milk.When talking about a general supply that has been used up, you usually don't use an article like 'the'.