even money

noun

1. the equal sum staked by each bettor.
2. equal odds in a wager:

   It's even money that the home team will win.

Other Words From

• even-money adjective

Word History and Origins

Origin of even money¹

First recorded in 1890–95

Idioms and Phrases

Equal odds that something will occur, as in It's even money that he'll get the contract . The term comes from gambling, where it signifies equal odds in a bet. [Late 1800s]