Synonyms and related words :
O-shaped, aberrant, aberrative, aimless, ambagious, backhand, backhanded, by the way, circuitous, circular, deflectional, departing, desultory, deviant, deviating, deviative, deviatory, devious, digressive, discursive, divagational, divergent, episodic, errant, erratic, helical, indirect, labyrinthine, left-handed, loose, maundering, mazy, meandering, oblique, orbital, out-of-the-way, planetary, rambling, rotary, round, roundabout, roving, serpentine, shifting, side, sidelong, sinister, sinistral, snaky, spiral, stray, swerving, turning, twisting, undirected, vagrant, veering, wandering, winding, zigzag