1. An unexpected, sudden, or forceful ending of something, such as a business, program, meeting, or system operation
The abrupt closure of the factory left hundreds unemployed.
O encerramento brusco da fábrica deixou centenas de pessoas desempregadas.
2. In computing, the forced termination of a program or system without proper shutdown procedures
The system crash caused an abrupt shutdown of all running applications.
A falha do sistema causou um encerramento brusco de todos os aplicativos em execução.