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checkmate
noun
- Chess
- the move that wins the game by checking the opponent's king so that it cannot be protected
- the condition of the king after such a move
- complete defeat, frustration, etc.
interjection
Chess used to signify that one's opponent's king is in checkmate
transitive verb checkmated, checkmating
- Chess to place in checkmate
- to defeat completely; frustrate; thwart
See checkmate in American Heritage Dictionary 4
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