1. To strengthen, reinforce, or make more effective physical, regulatory, or conceptual obstacles or boundaries
The government decided to bolster barriers at the border to prevent unauthorized entry.
O governo decidiu reforçar as barreiras na fronteira para prevenir entradas não autorizadas.
2. To support and enhance protective measures or defensive structures
The company implemented new policies to bolster barriers against cyberattacks.
A empresa implementou novas políticas para reforçar barreiras contra ataques cibernéticos.