checkmate

noun
  1. a position in chess where a player’s king is attacked and cannot escape capture, ending the game
  2. Usage: chess terminology
  3. a situation in which someone is completely defeated or has no way to succeed
  4. Usage: figurative use
verb
  1. to put an opponent’s king in checkmate in chess
  2. Usage: chess terminology
  3. to defeat someone completely or put them in a hopeless position
  4. Usage: figurative use
exclamation
  1. used to announce checkmate in chess
  2. Usage: chess terminology

Examples