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English definition of “set sb off”

set sb off

informal
verb uk phrasal verb with set   /set/ (present participle setting, past tense and past participle set) us  
to cause someone to start doing something: [+ -ing verb] Every time I think about it, it sets me off laughing. She's finally stopped crying - now don't set her off again.
(Definition of set sb off from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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Translations of “set sb off”

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