gaming -
the act of playing for stakes in the hope of winning (including the payment of a price for a chance to win a prize); "his gambling cost him a fortune"; "there was heavy play at the blackjack table"
recreation,
diversion a turning aside (of your course or attention or concern); "a diversion from the main highway"; "a digression into irrelevant details"; "a deflection from his goal"
vice a specific form of evildoing; "vice offends the moral standards of the community"
sporting life active interest in gambling on sports events
bet,
wager the act of gambling; "he did it on a bet"