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English definition of “run up against sth”

run up against sth

verb uk phrasal verb with run   /rʌn/ (present participle running, past tense ran, past participle run) us  
C2 to experience an unexpected difficulty: The plans for the new bridge ran up against strong local opposition.Experiencing and suffering
(Definition of run up against sth from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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