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backfire

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backfire/ˈbækˌfajɚ/verb
backfiresbackfiredbackfiring
backfire
/ˈbækˌfajɚ/
verb
backfiresbackfiredbackfiring
Learner's definition of BACKFIRE  
[no object]
of an engine or vehicle  : to make a loud sound when fuel is not burned properly
: to have the opposite result of what was desired or expected

— backfire

noun,pluralbackfires[count]
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