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All In

In poker, “All In” means betting all of your chips or money on a single hand.


The minimum bet required to participate in a game.


Allows you to set the game to play automatically for a specified number of spins.



The total amount of money a player has available for gambling.

Betting Limit

The minimum and maximum amounts players can bet on a single game or round.

Blind Bet

In certain poker games like Texas Hold’em, blind bets are mandatory bets made by players before seeing their cards.


Additional funds or rewards offered by casinos to players, often as an incentive to sign up or continue playing.

Bonus Round

An additional gameplay feature that gives players the chance to win extra prizes.


The amount of money required to enter a poker tournament or sit at a table to play a game.



In poker, “calling” means matching the current bet on the table to continue playing.

Cascading Reels

A feature in some slots where winning combinations disappear from the reels, allowing new symbols to fall into place and potentially create more wins in a single spin.


A promotional offer where players receive a percentage of their losses back as cash or bonus funds.


The process of withdrawing winnings from an online casino account.


In poker, “checking” means declining to bet when it’s your turn to act, allowing you to stay in the game without putting any additional money in the pot.

Community Cards

In games like Texas Hold’em and Omaha, community cards are dealt face-up in the center of the table and are shared by all players to form their best possible hand.

Comp Points

Loyalty points awarded to players based on their wagers and gameplay, which can be redeemed for rewards.


D’Alembert System

A betting strategy used in games like roulette and blackjack, where players increase their bets after losses and decrease them after wins, based on the theory of equilibrium.

Deposit Bonus

A bonus offered by online casinos to players who make a deposit into their casino account.

Double Down

In blackjack, the option to double the initial bet in exchange for receiving one additional card.


Expanding Wilds

A special symbol in slot games that, when it appears on the reels, expands to cover the entire reel or multiple reels. This increases the chances of forming winning combinations.


A process of converting data into a code used to secure sensitive information such as personal details and financial transactions.



In poker, a hand consisting of five cards of the same suit.


In poker, “folding” means forfeiting your hand and any bets placed on it.

Free Spins

A bonus feature in many slot games where players are awarded a certain number of spins without having to wager any additional money.

Free Spins Bonus

Bonus spins awarded to players by the casino, often as part of a promotional offer.

Full House

A poker hand consisting of three cards of one rank and two cards of another rank, such as three Kings and two Queens.


Gambling Commission

Regulatory body overseeing gambling activities and operators in specific jurisdictions.


High Roller

A player who bets large sums of money.


In blackjack, requesting an additional card from the dealer.

House Edge

The statistical advantage the casino holds over players in a particular game.


Instant Win Games

Online casino games that offer immediate results and payouts, typically involving simple gameplay mechanics, such as scratch cards, bingo, or virtual sports betting.


In blackjack, a side bet that pays out if the dealer’s face-up card is an Ace.



The highest possible prize in a game, often a large sum of money.


In some card games, a wild card can substitute for any other card to form a winning hand.



In poker, a kicker is a card used to determine the winning hand when players have the same hand ranking. For example, if two players both have a pair of Aces, the one with the highest kicker card (the fifth card) wins the pot.


Loyalty Program

A rewards system offered by casinos to incentivize repeat play from customers.

Live Dealer Games

Online casino games that feature real-life dealers, streamed in real-time from a studio or land-based casino.



A betting strategy where players double their bet after every loss, aiming to recoup losses with a single win.


A game variant where players can play multiple hands simultaneously.


A feature in many slot games where winnings are multiplied by a certain factor. Multipliers can appear as symbols on the reels or be activated during bonus rounds, free spins, or other special features.


No deposit bonus

Bonus funds or free spins awarded to players without requiring a deposit.

Non-sticky bonus

A type of casino bonus where the player’s deposit and bonus funds are separate. Players can withdraw their own funds (deposit) at any time without meeting wagering requirements.



The probability of a particular outcome occurring in a game, often expressed as a ratio or percentage.



A positive progression betting system commonly used in casino games like blackjack and roulette, where players double their bet after each win and return to the original bet after a loss.


In slot games, a line on which winning combinations of symbols must land to generate a payout.

Payout Percentage

The percentage of total bets that a casino pays out to players as winnings over time.

Payout Table

A chart or list displaying the potential payouts for different winning combinations or outcomes in a casino game, such as slot machines or video poker.

Progressive Jackpot

A jackpot that increases over time as players contribute to the prize pool.

Provably Fair

A system used in some online casinos to ensure the fairness of games by allowing players to verify the randomness and integrity of each outcome.


In casino games like blackjack, a “push” occurs when the player and the dealer tie with the same hand total. In this case, the player neither wins nor loses their bet, and their wager is returned.


Qualifying Bet

A bet that meets the requirements for triggering a bonus or promotion.



In poker, to “raise” means to increase the size of the current bet, forcing other players to either match the new bet (call), raise it further, or fold their hands.

Reload Bonus

A type of casino bonus offered to existing players when they make additional deposits into their casino account.

Return to Player (RTP)

RTP is a measure used in casino games to indicate the average percentage of wagered money that a player can expect to win back over time.

Random Number Generator (RNG)

Software used to ensure the fairness and randomness of online casino games.



A special symbol in slot games that can trigger bonus rounds or free spins.

Side Bet

An additional bet placed alongside the main bet in games like blackjack, poker, and baccarat. It offers players the chance to win extra payouts based on specific outcomes or conditions.

Sticky Wilds

Special symbols in slot games that remain in place for multiple spins. It increases the chances of forming winning combinations.

Sticky Bonus

A type of casino bonus where the bonus funds are tied to the player’s deposit and cannot be withdrawn until wagering requirements are met.


In poker, a hand consisting of five cards of sequential rank, regardless of suit. For example, 2-3-4-5-6 or 10-J-Q-K-A.

Straight Flush

A poker hand consisting of five cards of sequential rank and the same suit. For example, 5-6-7-8-9 of hearts.


In certain blackjack variants, surrendering allows a player to forfeit their hand and recover half of their initial bet, rather than playing out the hand to completion.


Three of a Kind

A poker hand consisting of three cards of the same rank, accompanied by two unrelated cards. For example, three Kings with any two other cards.


A competition where players compete against each other for prizes in various casino games.



In blackjack, the dealer’s face-up card.



Variance refers to the statistical measure of the distribution of winnings over a set of outcomes. It indicates how much and how often the actual results of a game deviate from the expected value.

VIP Program

A rewards program for high-value players offering exclusive perks and benefits.

VIP Tables

Exclusive tables within an online casino reserved for high-value players or members of the casino’s VIP program. VIP tables often feature higher betting limits, special perks, and dedicated customer support to cater to the needs of VIP players.


Volatility refers to the risk and reward level associated with a particular casino game. Games with high volatility have larger but less frequent payouts, while games with low volatility have smaller but more frequent payouts.


Wagering Requirements

The number of times a player must bet a bonus amount before it can be withdrawn as cash.

Welcome Bonus

A promotional offer provided by online casinos to new players when they sign up and make their first deposit.


A special symbol in slot games that can substitute for other symbols to form winning combinations.

Wild Card

In card games such as poker, a wild card is a designated card that can substitute for any other card to form a winning hand.



In roulette, the green pocket on the wheel representing neither an odd nor an even number.

Zero Commission

In certain casino games like Baccarat, “zero commission” refers to a variant where players do not have to pay a commission on winning Banker bets.

Marie Claire Graham
Marie Claire Graham Author
With 9 years of experience in all things related to online casinos, Marie-Claire Graham is our online gambling expert. She has written everything from casino reviews to news stories and blogs, but her passion lies in games. Her hands-on experience te... Read more about Marie Claire Graham