Checkmate \Check"mate\ (-m[=a]t), v. t. [imp. & p. p. {Checkmated}; p. pr. & vb. n. {Checkmating}.] 1. (Chess) To check (an adversary's king) in such a manner that escape in impossible; to defeat (an adversary) by putting his king in check from which there is no escape.
2. To defeat completely; to terminate; to thwart.
To checkmate and control my just demands. --Ford.
Checkmate \Check"mate\ (ch[e^]k"m[=a]t), n. [F. ['e]chec et mat, fr. Per. sh[=a]h m[=a]t checkmate, lit., the king is dead, fr. Ar. m[=a]ta he died, is dead. The king, when made prisoner, or checkmated, is assumed to be dead, and the game is finished. See {Chess}.] 1. The position in the game of chess when a king is in check and cannot be released, -- which ends the game.