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English definition of “back off”

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back off

informal
verb uk phrasal verb with back   /bæk/ us  
to stop being involved in a situation, usually in order to allow other people to deal with it themselves: She started to criticize me, then she suddenly backed off. Just back off and let us do this on our own, will you?B2 to move backwards away from someone, usually because you are frightened: I saw the knife and backed off.
(Definition of back off from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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