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English definition of “run sth up”

run sth up

phrasal verb with run
 
 
/rʌn/ verb (present participle running, past tense ran, past participle run)
If you run up a debt, you do things which cause you to owe a large amount of money.Borrowing, lending and debt
(Definition of run sth up from the Cambridge Learners Dictionary © Cambridge University Press)
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