Rebuy is a term used in gambling and gaming, which means to purchase again. It is a common term used in poker games or slot machines, where a player can buy back chips or tokens that have been lost. Synonyms for the word rebuy include repurchase, reacquisition, and resell. Other terms that are often used in gambling games include add-on, re-entry, or second-chance. These terms signify an opportunity for a player to regain lost ground or purchase more chances to win. Whether it is a poker game, a slot machine, or any other gaming activity, rebuying allows players to continue playing and try their luck to win.