wander

move about aimlessly or without any destination, often in search of food or employment; "The gypsies roamed the woods"; "roving vagabonds"; "the wandering Jew"; "The cattle roam across the prairie"; "the laborers drift from one town to the next"; "They rolled from town to town"

be sexually unfaithful to one's partner in marriage; "She cheats on her husband"; "Might her husband be wandering?"

go via an indirect route or at no set pace; "After dinner, we wandered into town"

to move or cause to move in a sinuous, spiral, or circular course; "the river winds through the hills"; "the path meanders through the vineyards"; "sometimes, the gout wanders through the entire body"

lose clarity or turn aside especially from the main subject of attention or course of argument in writing, thinking, or speaking; "She always digresses when telling a story"; "her mind wanders"; "Don't digress when you give a lecture"