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English definition of “shut (sb) up”

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shut (sb) up

informal
verb [I or T] uk phrasal verb with shut   /ʃʌt/ ( present participle shutting, past tense and past participle shut) us  
B2 to stop talking or making a noise, or to make someone do this: I wish you'd shut up for a moment and listen to what the rest of us have to say. Just shut up and get on with your work! My dad never stops talking. It's impossible to shut him up! figurative If you breathe a single word to the police, we'll come round and shut you up for good (= kill you). to stop someone from talking about a particular subject or from complaining or asking for things: The kids kept on about how hungry they were, so their father gave them some biscuits to shut them up.
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(Definition of shut (sb) up from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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