gamble /ˈɡæm.bəl/verb 4noun 3forms 5phrases 1 verb4 •to play a game of chance for money, hoping to win more than you put inMark won half a million dollars gambling on horses. •To interact with equipment at a casino. •To take a risk, with the potential of a positive outcome. •To risk (something) for potential gain.He gambled his reputation on the outcome. noun3 •A bet or wager.I had a gamble on the horses last weekend. •A significant risk, undertaken with a potential gain. •A risky venture.The sailors had taken many gambles with the sea and always won. formsgambled · gambling · gambles · gambleth · gamblest Phrases with gamble take a gambleTo try something risky.