circuit, bypath, circumnavigate, service road, secondary highway, alternate highway, deviation, roundabout way, byway, circuitous route, go around, road, indirect way, back road, skirt, temporary route, circumvent, bypass
detour (part of speech: noun)
- The remaining cavalry made a wide detour to the right as if to flank the enemy's left. - "The Brigade Commander", J. W. Deforest.
- Leaving the bed of the canal in which I was walking and making a slight detour, I came suddenly over the spoil- bank of the canal on to the place where the bird had been calling. - "The Nests and Eggs of Indian Birds, Volume 1", Allan O. Hume.
- After making a detour to the south he crossed the Yarmuk and captured a series of towns lying to the north and northeast of this river. - "The Makers and Teachers of Judaism", Charles Foster Kent.