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English definition of “backfire”

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backfire

verb [I]  /ˈbækˌfɑɪər/ us  

backfire verb [I] (HAVE BAD RESULT)

(of a plan) to have the opposite result from the one you intended: Some hotel owners worry that the idea of attracting more visitors may backfire and make the place less attractive.

backfire verb [I] (MAKE NOISE)

(of an engine) to make a loud noise because the fuel burned too soon
(Definition of backfire from the Cambridge Academic Content Dictionary © Cambridge University Press)
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