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English definition of “bet”

bet

verb [I, T]     /bet/ (present participle betting, past tense and past participle bet)
to risk money on the result of a game , competition , etc : He lost all his money betting on horses . [+ two objects + (that)] I bet him a dollar that I was right .Gambling and bookmakingTaking risks
I bet informal B1 something that you say to show that you believe that something is true or will happen : [+ (that)] I bet that he's forgotten my birthday again.Planning, expecting and arrangingPlotting and trappingInterjectionsSounds used as interjections
You bet! mainly US informal used to say that you will do something with enthusiasm : "Are you going to Pam's party ?" "You bet!"Intensifying expressions
(Definition of bet verb from the Cambridge Learner's Dictionary © Cambridge University Press)

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