(mathematics, economics) A branch of applied mathematics that studies strategic situations in which individuals or organisations choose various actions in an attempt to maximize their returns.

(mathematics, economics) Of, relating to, or defined in terms of game theory.

(sports) A document used in sports in order to keep track of goals, penalties, assists, etc.

A clock used to time a game.

(idiomatic) Having completed a task before it is due; ready, prepared, or anticipating.

Any of many games of strategy or chance played on a specially designed board; often involves one or more players moving pieces and using dice or cards.

Any game played with a ball. / A specific contest or match between teams playing such a game, in particular a baseball game.

A swindle in which the mark, or victim, is defrauded after his or her trust has been won.

(games) A type of game where one or more players assume the roles of characters (usually one each) to interact with a fictional world either defined by themselves or through the moderation of a neutral judge (usually referred to as the game master).

(games) Any of the many games played with playing cards.