- 1(in chess) a position in which one player cannot prevent his or her king (= the most important piece) being captured and therefore loses the game see also check compare stalemate
- 2a situation in which someone has been completely defeated
NAmE//ˈtʃɛkmeɪt//,(also mate) [uncountable]
His king had been checkmated. She hoped the plan would checkmate her opponents.
checkmate verb checkmate somebody/somethingjump to other results