Detour/ˈdiːtʊr/ Definition 1 of 4Pro Tip 1/3Sudden Change Detour implies an unexpected route, not the planned one. The closed bridge meant a sudden detour for us. Pro Tip 2/3Temporary Route A detour is usually a temporary change in direction. We'll return to the main path after this detour. Pro Tip 3/3Not Always Negative Detours can be pleasant, like a scenic drive, not just inconvenient. The detour offered breathtaking views of the countryside.