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English definition of “set off/out”

set off/out

phrasal verb with set     /set/ verb (present participle setting, past tense and past participle set)
B2 to start a journey: What time will we have to set off for the station tomorrow? Jenny set off down the road on her new bike. They've just set off on a round-the-world cruise.Departing
(Definition of set off/out from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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