in a way that moves away from the usual direction or place, or in many different directions

The child wandered excursively, sometimes behind his mother, and at other times in front. 这个孩子散漫地地走着，有时跟在他妈妈后面，有时走在前面。

I hiked for several days, sometimes excursively, and at other times pursuing the direct course of a river or a road.