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English definition of “call sb up”

call sb up

(PHONE) mainly US phrasal verb with call     /kɔːl/ US  /kɑːl/ verb
to phone someone: My dad called me up to tell me the good news.Communicating by telephoneCommunicating and keeping in touch
(Definition of call sb up (PHONE) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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