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English definition of “run out on sb/sth”

run out on sb/sth

verb uk phrasal verb with run   /rʌn/ (present participle running, past tense ran, past participle run) us  
to leave someone you are having a relationship with or something you are responsible for, without warning and usually causing problems: She ran out on him two months ago, leaving him to take care of their two children.Ending relationships and divorce
(Definition of run out on sb/sth from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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