2. (verb)checkmate, mate a chess move constituting an inescapable and indefensible attack on the opponent's king Synonyms: fellow, teammate, married person, spouse, partner, better half, checkmate, first mate, match, mate
3. (verb)checkmate, mate place an opponent's king under an attack from which it cannot escape and thus ending the game Synonyms: pair, checkmate, copulate, match, twin, couple, mate