| D Dance: | To fail to reenter after being hit. Dead stone - A single stone deep in the players home board where it serves no useful purpose |
| Dead Cube: | a doubling cube with no further doubling value. In match play, the cube is said to be dead when the player owning the cube has no incentive to double |
| Dead Man: | Dead stone |
| Dead Number: | A specific number on the dice which cannot be played in the current position |
| Decline a Double: | Refuse a double |
| Deep: | When apiece is a low-numbered point, usually the one-point or two-point |
| Deep Anchor: | An block on the opponents one-point or two-point |
| Deuce: | A rolled die showing two pips |
| Deuce-Point: | Traditional name for the two-point |
| Dice: | A plural noun. Singular is die. Two small cubes, each with faces marked with one to six pips or spots |
| Dice Cup: | A container, often of leather or plastic, used for shaking and rolling dice |
| Dice Mechanic: | A person skillful in the use of unfair means to control the dice |
| Die: | singular of dice |
| Dilly Builder: | A spare stone which bears only on points deep in a players home board |
| Direct Hit: | a hit using the number on just one die. You must be within six points of a blot to be able to hit it directly. An indirect hit uses both dice |
| Direct Range: | When a point is reachable using a single number from one die |
| Direct Shot: | A chance to hit a blot with a single number from one die |
| Disengage: | To break all contact after which the game becomes a pure race |
| Disjointed Position: | a position that is poorly connected, in which a players army is divided into two or more groups with large gaps between them |
| Division: | One of the sections in a tournament into which players are divided according to their ability and experience |
| Double: | An offer made by one player to his opponent to continue the game at double the current stakes |
| Double Bump: | Double hit |
| Double Direct Shot: | Double shot |
| Double Ducks: | The roll of 2-2 on the dice |
| Double Elimination: | a tournament format in which a player stays in until he has lost twice |
| Double Game: | Gammon |
| Double Hit: | To hit two opposing blots on one turn |
| Double Jeopardy: | Potential for awkward rolls both next turn and the turn after |
| Double Oneself Out: | To offer a double which, if accepted, will win the match for that player if he wins that game |
| Doubler: | Doubling cube |
| Doubles: | Two thrown dice with identical numbers on their upper faces |
| Doublets: | Doubles |
| Doubling Block: | Doubling cube |
| Doubling Cube: | A cubical block, slightly larger than a regular die, with the numbers 2, 4, 8, 16, 32, and 64 marked on its faces. It is used for keeping track of the increase in stakes of the game and its position determines who has the right to double next |
| Doubling on the Come: | Offering a double in anticipation of a good roll |
| Draw: | The random pairing of competitors in a tournament to determine who will play whom or who will get byes |
| Drop: | Refuse a double |
| Dropper: | A player on in an online backgammon game who avoids a reduction to his rating by intentionally leaving a match he is about to lose |
| Ducks: | Double ducks |
| Dyscommuncation: | Double sixes thrown when one is on the bar. Also, inflexibility of having stones exactly six pips apart |
