rootless

Having no roots.

Not belonging to a particular place or society.

Having no root.

In zoology, having a persistently open pulp-cavity and growing perennially, as the incisor teeth of rodents, and the molar teeth of many of these animals; not rooted so as to stop growing. See Rodentia.

Destitute of roots.

Describing a plant (or by extension something else) that does not have roots.

A wanderer, someone who has no ties to a particular locale.

wandering aimlessly without ties to a place or community