Usage examples for zigzag:

• They had had plenty of time to assemble while the Barbarian was being guided in bewildering zigzag lines through the streets of tents. "" – 

• He pounded heavily down the long trail into the coulee, passed close by the house with a glance sidelong to see if anybody was in sight there, rounded the corral to follow the trail which wound zigzag up the farther coulee wall, and overtook Val, running bareheaded up the hill, dragging a wet sack after her. "Lonesome Land" – B. M. Bower