run out
No object
Be used up, or have none left
The milk has run out. We have run out of time.
Usage
Use 'run out of' before the thing you no longer have: We have run out of milk.
No object
Nothing follows the particle directly. You cannot say it with a direct object.
The particle: out
This verb belongs to the group ‘running to the end’.
Related idiom
Read the meaning and origin of a related expression on The Village Idiom.
Practise it
Add it to your daily practice or see every verb with out.
Further reading: run out on Wiktionary (CC BY-SA).