1. The definitive and irreversible shutting down of a business, facility, or service with no intention to reopen
The restaurant announced its permanent closure after 30 years in business.
O restaurante anunciou seu encerramento permanente após 30 anos de funcionamento.
2. A final and lasting blockage or obstruction of a physical space or passage
The permanent closure of the road required drivers to find alternate routes.
O encerramento permanente da estrada obrigou os motoristas a encontrar rotas alternativas.