O-shaped, aberrant, aberrative, ambagious, anfractuous, backhand, backhanded, circular, circumlocutional, circumlocutory, collateral, convolutional, deflectional, departing, desultory, deviant, deviating, deviative, deviatory, devious, digressive, discursive, divagational, divergent, errant, erratic, excursive, flexuose, flexuous, helical, indirect, involute, involuted, involutional, labyrinthine, left-handed, mazy, meandering, meandrous, oblique, orbital, out-of-the-way, periphrastic, planetary, rambling, rivose, rivulose, rotary, round, roundabout, roving, ruffled, serpentine, shifting, side, sidelong, sinister, sinistral, sinuate, sinuose, sinuous, snaky, spiral, stray, swerving, torsional, tortile, tortuous, turning, twisting, twisty, undirected, vagrant, veering, wandering, whorled, winding, wreathlike, wreathy, zigzag