1. The right or ability to enter, use, or view something without limitations, conditions, or barriers
The researcher was granted unrestricted access to the university's archives.
O pesquisador recebeu acesso irrestrito aos arquivos da universidade.
2. Freedom to use resources, information, or facilities without requiring permission or passing through controls
The VIP members have unrestricted access to all facilities.
Os membros VIP têm acesso irrestrito a todas as instalações.