[singular] an action that you take when you know there is a risk but when you hope that the result will be a success She knew she was taking a gamble but decided it was worth it. They invested money in the company right at the start and the gamble paid off (= brought them success). It was the biggest gamble of his political career. Word Origin early 18th cent.: from obsolete gamel
‘play games’, or from the verb game.Extra examples I took a calculated gamble and it paid off. It was time for a last desperate gamble. Trying to find the right pension can be a bit of a gamble. They invested money in the company right at the start and the gamble paid off.