1. To surrender or yield to pressure, demands, or authority; to give in
The government capitulated to the rebels' demands after weeks of negotiation.
O governo capitulou às exigências dos rebeldes após semanas de negociação.
2. To stop resisting and accept defeat or compromise
He refused to capitulate to peer pressure and maintained his principles.
Ele se recusou a ceder à pressão dos colegas e manteve seus princípios.