1. Complete authority or legal right to act on behalf of another person or entity without restrictions
The attorney was granted full power to manage all of the client's affairs.
O advogado recebeu poder pleno para gerenciar todos os assuntos do cliente.
2. Absolute authority or unrestricted power to make decisions and take actions
The president has full power to make executive decisions during the crisis.
O presidente tem poder pleno para tomar decisões executivas durante a crise.
3. In legal contexts, a comprehensive power of attorney with no limitations
She signed a full power of attorney document before traveling abroad.
Ela assinou um documento de poder pleno antes de viajar para o exterior.