1. The greatest or highest level of power or authority that can be exercised
The engine was running at maximum power.
O motor estava funcionando no poder máximo.
2. The uppermost limit of strength, capacity, or performance
She gave the presentation her maximum power and confidence.
Ela deu a apresentação com todo seu poder máximo e confiança.
3. Full capacity or strength in political or military contexts
The government exercised its maximum power to enforce the law.
O governo exerceu seu poder máximo para fazer cumprir a lei.