List of errant synonyms and errant related words.
aberrant, aberrative, abroad, adrift, all abroad, all off, all wrong, amiss, askew, astray, at fault, awry, beside the mark, circuitous, circumforaneous, corrupt, deceptive, defective, delusive, departing, desultory, deviant, deviating, deviational, deviative, deviatory, devious, digressive, discursive, distorted, divagatory, drifting, errable, erratic, erring, erroneous, error-prone, excursive, fallacious, fallible, false, faultful, faulty, flawed, flitting, floating, footloose, footloose and fancy-free, fugitive, gadding, gypsy-like, gypsyish, heretical, heterodox, illogical, illusory, indirect, itinerant, labyrinthine, landloping, liable to error, mazy, meandering, migrational, migratory, misbehaving, mischievous, naughty, nomad, nomadic, not right, not true, off, off the track, open to error, out, out-of-the-way, peccant, perverse, perverted, planetary, rambling, ranging, roaming, roving, self-contradictory, serpentine, shifting, snaky, straggling, stray, straying, strolling, swerving, traipsing, transient, transitory, transmigratory, turning, twisting, undirected, unfactual, unorthodox, unproved, unreliable, untrue, vagabond, vagrant, veering, wandering, wide, winding, wrong, zigzag