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English definition of “run out”

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run out

verb uk phrasal verb with run   /rʌn/ ( present participle running, past tense ran, past participle run) us  
B1 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."B2 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.
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(Definition of run out from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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