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English definition of “bet”

bet

verb [I or T]
 
 
/bet/ (past tense and past participle bet)
to risk money on something that may happen in the future: bet (sth) on sth In his opinion, no fee can compensate for the risk of betting a large chunk of a firm's capital on a single deal. bet that Some investors are betting that interest rates will rise.bet against sth You wouldn't want to bet against inflation rising later in the year.
bet the farm/ranch US informal to risk a lot of money on something that may happen in the future: I hope we attract lots of customers because we've bet the ranch on this place.
I bet (that) (also I'll bet (that)) informal used to say that you feel certain that something is true or will happen: If the salary was high enough, I bet she'd take the job. I'll bet that only about 25% of those bottles are recycled.
(Definition of bet verb from the Cambridge Business English Dictionary © Cambridge University Press)
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