wander

Move about aimlessly or without any destination, often in search of food or employment.

“the wandering Jew”

To move or cause to move in a sinuous, spiral, or circular course.

“sometimes, the gout wanders through the entire body”

Be sexually unfaithful to one's partner in marriage.

“Might her husband be wandering?”

Lose clarity or turn aside especially from the main subject of attention or course of argument in writing, thinking, or speaking.

“her mind wanders”

Go via an indirect route or at no set pace.

“After dinner, we wandered into town”