WordNet sense 1 (be sexually unfaithful to one's partner in marriage):

betray, cheat, cheat on

WordNet sense 2 (to move or cause to move in a sinuous, spiral, or circular course):

meander, thread, weave, wind, wind

WordNet sense 3 (move about aimlessly or without any destination, often in search of food or employment):

cast, drift, ramble, range, roam, roll, rove, stray, swan, tramp, vagabond

WordNet sense 4 (lose clarity or turn aside especially from the main subject of attention or course of argument in writing, thinking, or speaking):

digress, divagate