1. Complete victory 
2. A chess move constituting an inescapable and indefensible attack on the opponent's king
   - mate

1. Place an opponent's king under an attack from which it cannot escape and thus ending the game
   "Kasparov checkmated his opponent after only a few moves"
   - mate

Derived forms: checkmated, checkmates, checkmating

Type of: beat, beat out, chess move, crush, shell, triumph, trounce, vanquish, victory

Encyclopedia: Checkmate

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