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.
El ejército logró derrotar a las fuerzas enemigas.
•
She was determined to defeat her opponent in the chess match.
Estaba decidida a derrotar a su oponente en la partida de ajedrez.
2.
frustrar, impedir
frustrate (someone) by causing their plans or efforts to fail.
:
•
His attempts to escape were defeated by the strong security.
Sus intentos de escape fueron frustrados por la fuerte seguridad.
•
The bad weather defeated our plans for a picnic.
El mal tiempo frustró nuestros planes de picnic.
1.
derrota, victoria
an act of defeating; a victory.
:
•
The team celebrated their decisive defeat of their rivals.
El equipo celebró su decisiva derrota de sus rivales.
•
It was a crushing defeat for the defending champions.
Fue una derrota aplastante para los campeones defensores.