0 to admit you cannot win or continue -- céder
We do not give in to terrorists’ demands. Nous ne cédons pas aux exigences des terroristes.
He argued for a minute but then gave in. Il a argumenté pendant une minute mais ensuite, il a abandonné.
1 hand in -- rendre
2 to stop fighting and admit defeat; to yield -- se rendre
The soldiers were outnumbered and gave in to the enemy.
3 to hand or bring (something) to someone (often a person in authority) -- remettre, rendre