jackpot /ˈd͡ʒækpɒt/noun 8verb 2forms 3phrases 1 noun8 •A money prize pool which accumulates until the conditions are met for it to be won.If no player picks all six numbers correctly, the jackpot is rolled over and added to the next week's jackpot; several weeks of rollovers can build up jackpots up to $350 million or more. — 2000 •A large cash prize or money. •An unexpected windfall or reward. •A large accumulated point bonus, originally awarded after a long set of actions but now often easily available in multiball modes. •(US) A difficult situation."I'm in a jackpot." Sympathy shone from those friendly eyes at once. "It's shore too bad for a lady to be in a jackpot," he answered me earnestly. — 1941 •A concentration of surface wood or fuel. •A jumble of felled timber. •A ball game in which a thrower calls out a point value and whether the ball must be caught "alive" (in the air) or "dead" (having touched the ground), and a group of catchers compete to catch the ball.As a little girl, I was something of a tomboy. I played jackpot in the mud at recess, and my Christmas wish lists consisted of baseball mitts and remote controlled cars. — 2019 verb2 •Of a slot machine, to issue a jackpot.I went into the Las Vegas Casino and played $20 in a nickel slot, and it jackpotted for $300. — 1999 •To fraudulently exploit an automatic teller machine so that it dispenses cash that has not been withdrawn from an account. formsjackpotted · jackpotting · jackpots Phrases with jackpot hit the jackpotTo receive a more favorable outcome than imagined, especially by good luck.