1. to move forward or progress without facing obstacles, restrictions, or hindrances
The army was able to advance unimpeded through the valley.
O exército conseguiu avançar sem obstáculos pelo vale.
2. to proceed with a plan, project, or process without encountering delays or resistance
The project advanced unimpeded thanks to the team's cooperation.
O projeto avançou sem obstáculos graças à cooperação da equipe.