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Meaning of “set sth off” in the English Dictionary

"set sth off" in British English

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set sth off

phrasal verb with set uk   /set/  us   /set/ verb (present participle setting, past tense and past participle set)
  • (CAUSE)

C2 to cause an activity or event, often a series of events, to begin or happen: The court's initial verdict in the police officers' trial set off serious riots.
C2 to cause a loud noise or explosion, such as that made by a bomb or an alarm (= a warning sound) to begin or happen: Terrorists set off a bomb in the city centre. Somebody set the alarm off on my car.
(Definition of set sth off from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"set sth off" in Business English

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set sth off

phrasal verb with set uk   us   /set/ verb (setting, set, set)
to cause an activity or event, often a series of events, to begin or happen: Cheap money set off a boom in personal borrowing, especially against homes. The proposed sale has set off an avalanche of protest.
(Definition of set sth off from the Cambridge Business English Dictionary © Cambridge University Press)
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“set sth off” in British English

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