Definition of sweepstake noun from the Oxford Advanced Learner's Dictionary

 

sweepstake

 noun
noun
BrE BrE//ˈswiːpsteɪk//
 
; NAmE NAmE//ˈswiːpsteɪk//
 
(North American English also sweepstakes)
 
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a type of betting in which the winner gets all the money bet by everyone else