defeat /dɪˈfiːt/verb 4noun 4forms 6 verb4 •to make someone lose a battle or a game by being the stronger sideWellington defeated Napoleon at Waterloo. •To prevent (something) from being achieved. •To reduce, to nothing, the strength of.He finds himself naturally to dread a superior Being that can defeat all his designs, and disappoint all his hopes. — 1664 •To nullifyThe escheators […] defeated the right heir of his succession. — 1827 noun4 •The act or instance of being defeated, of being overcome or vanquished; a loss.Licking their wounds after a temporary defeat, they planned their next move. •The act or instance of defeating, of overcoming, vanquishing.The inscription records her defeat of the country's enemies in a costly war. •Frustration (by prevention of success), stymieing; (law) nullification.... is subsequently issued to him, in accordance with his perfect equity thus acquired, by a legal fiction which the law creates for the protection, but not for the defeat, of his title. — 1909 •(no longer used) Destruction, ruin.and made defeat of her virginity — 1598 formsdefeated · defeatedst · defeating · defeateth · defeats · defeatest