English▸ verb
1 [with object] risk (a sum of money or valued item) against someone else's on the basis of the outcome of an unpredictable event; bet:
a total of $770,700 was wagered by fans at other sites on the track
I'll wager half my winnings on it
[no object] everyone will be able to make single bets, rather than having to wager on three matches.
2 [with clause] informal used to express certainty:
I'll wager she makes that trip to Virginia
I'd wager that the results would be better than those achieved through traditional methods.
▸ noun an act of betting a sum of money on the outcome of an unpredictable event:
they have made a wager on who will win tonight
Rose placed a wager on a jockey she knew
Ben makes a wager that he can make a girl fall in love with him in 10 days.
– ORIGIN Middle English (also in the sense ‘solemn pledge’): from Anglo-Norman French wageure, from wager ‘to wage’.