run out — Phrasal Verb with run /rʌn/ verb (running, ran, run)
› 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.