1. An unplanned or unforeseen path or journey taken by someone or something, often due to circumstances beyond one's control
Due to the traffic jam, we had to take an unexpected route to arrive on time.
Devido ao engarrafamento, tivemos que seguir um trajeto imprevisto para chegar a tempo.
2. A detour or alternate path taken when the original route is blocked or unavailable
The road construction forced us into an unexpected detour.
A obra na estrada nos obrigou a fazer um trajeto imprevisto.