1. An action or deed that is unusual, remarkable, or outside the normal course of events; something done that deviates from standard procedures or expectations
The rescue of the trapped miners was an exceptional act of bravery.
O resgate dos mineiros presos foi um ato excepcional de coragem.
2. In legal or administrative contexts, an action taken with special authority or under extraordinary circumstances
The president issued an exceptional act to address the emergency.
O presidente emitiu um ato excepcional para lidar com a emergência.