defeat
US /dɪˈfiːt/
UK /dɪˈfiːt/

1.
vaincre, battre
win a victory over (someone) in a battle or other contest; overcome or vanquish.
:
•
The army managed to defeat the enemy forces.
L'armée a réussi à vaincre les forces ennemies.
•
She was determined to defeat her opponent in the chess match.
Elle était déterminée à vaincre son adversaire lors du match d'échecs.
2.
déjouer, contrecarrer
frustrate (someone) by causing their plans or efforts to fail.
:
•
His attempts to escape were defeated by the strong security.
Ses tentatives d'évasion furent déjouées par la sécurité renforcée.
•
The bad weather defeated our plans for a picnic.
Le mauvais temps a contrecarré nos projets de pique-nique.
1.
défaite, victoire
an act of defeating; a victory.
:
•
The team celebrated their decisive defeat of their rivals.
L'équipe a célébré sa victoire décisive sur ses rivaux.
•
It was a crushing defeat for the defending champions.
Ce fut une défaite écrasante pour les champions en titre.