1. To create or introduce obstacles, hindrances, or impediments that prevent or obstruct progress, access, or communication
The new regulations add barriers to entry for small businesses.
Os novos regulamentos adicionam barreiras à entrada de pequenas empresas.
2. To establish physical or non-physical obstacles as a preventative or protective measure
The government decided to add barriers along the border.
O governo decidiu adicionar barreiras ao longo da fronteira.
3. To introduce psychological or emotional obstacles in relationships or interactions
Fear can add barriers to personal relationships.
O medo pode adicionar barreiras aos relacionamentos pessoais.