noun

1. The conclusive victory in a game of chess that occurs when an opponent's king is threatened with unavoidable capture.

2. (by extension) Any losing situation with no escape; utter defeat.

verb

1. To put the king of an opponent into checkmate.

   “That jerk checkmated me in four moves!”

2. (by extension) To place in a losing situation that has no escape.

interjection

1. Word called out by the victor when making a move that wins the game.

2. (by extension) Said when one has checkmated someone (placed them in a losing situation with no escape.)

Synonyms: mate