1. A decision or action that prevents something from proceeding or being approved; an obstruction or veto
The court issued a blocking decision that halted the merger
O tribunal emitiu uma decisão de bloqueio que paralisou a fusão
2. In legal or administrative contexts, a ruling that temporarily or permanently prevents an action from taking place
The regulatory agency's blocking decision required additional environmental reviews
A decisão de bloqueio da agência reguladora exigiu revisões ambientais adicionais