1. An excessive, uncontrolled, or unrestrained desire for power, success, wealth, or status
His unbridled ambition led him to make unethical decisions.
A sua ambição desenffreada levou-o a tomar decisões antiéticas.
2. A relentless pursuit of goals without moral or ethical constraints
The politician's unbridled ambition knew no bounds.
A ambição desenffreada do político não tinha limites.