defeat
US /dɪˈfiːt/
UK /dɪˈfiːt/

1.
derrotar, vencer
win a victory over (someone) in a battle or other contest; overcome or vanquish.
:
•
The army managed to defeat the enemy forces.
O exército conseguiu derrotar as forças inimigas.
•
She was determined to defeat her opponent in the chess match.
Ela estava determinada a derrotar sua oponente na partida de xadrez.
2.
frustrar, impedir
frustrate (someone) by causing their plans or efforts to fail.
:
•
His attempts to escape were defeated by the strong security.
Suas tentativas de fuga foram frustradas pela forte segurança.
•
The bad weather defeated our plans for a picnic.
O mau tempo frustrou nossos planos para um piquenique.
1.
derrota, vitória
an act of defeating; a victory.
:
•
The team celebrated their decisive defeat of their rivals.
A equipe celebrou sua decisiva derrota de seus rivais.
•
It was a crushing defeat for the defending champions.
Foi uma derrota esmagadora para os campeões defensores.