checkmate [chek-meyt] /ˈtʃɛkˌmeɪt/ Show IPA noun, verb, checkmated, checkmating, interjection
Also called mate
an act or instance of maneuvering the opponent's king into a check from which it cannot escape, thus bringing the game to a victorious conclusion.
the position of the pieces when a king is checkmated.
a complete check; defeat:
His efforts to escape met with a checkmate.
verb (used with object)
Chess. to maneuver (an opponent's king) into a check from which it cannot escape; mate.
to check completely; defeat:
Napoleon was checkmated at Waterloo.
Chess. (used by a player to announce that he or she has put the opponent's king into inextricable check.)
1300–50; Middle English chek mat(e) < Middle French escec mat < Arabic shāh māt < Persian: literally, the king (is) checked, nonplussed