play a game of chance for money, or bet on the outcome of a future event such as the result of a race or game

Edward was gambling more than ever

he gambles on football

take risky action in the hope of a desired result

he was gambling on the success of his satellite TV channel

a risky action undertaken with the hope of success

pursuing a dream can be a gamble

we decided to take a gamble and offer him a place on our staff

an act of gambling

Dad likes a bit of a gamble