Synonyms and related words :
Bohemian, O-shaped, aberrant, aberrative, adrift, ambagious, antipodean, apart, back of beyond, backhanded, beat, beside the mark, beside the point, beside the question, beyond reach, beyond the bounds, breakaway, casual, circuitous, circular, departing, desultory, detached, deviant, deviating, deviative, deviatory, devious, digressive, discursive, distant, errant, erratic, excursive, extra, extraneous, extraordinary, extrinsic, far out, farfetched, forced, free and easy, fringy, godforsaken, helical, heretical, heterodox, hippie, hyperborean, immaterial, impertinent, improbable, in a backwater, inaccessible, inadmissible, inapplicable, inapposite, inappropriate, incidental, inconsequent, indirect, informal, insular, irrelative, irrelevant, isolated, kinky, labyrinthine, lonesome, maverick, mazy, meandering, more than expected, nihil ad rem, nonessential, not at issue, not cricket, not done, not kosher, oblique, occasional, odd, off, off the subject, offbeat, orbital, original, out of earshot, out of hearing, out of range, out of reach, out of sight, out-of-the-world, parenthetical, part-time, past expectation, planetary, quarantined, quite another thing, rambling, rare, recherche, remote, removed, retired, rotary, round, roundabout, roving, secluded, secret, segregated, separate, separated, serpentine, shifting, shut off, side, snaky, something else again, spare, spiral, strained, stray, sudden, sui generis, swerving, turning, twisting, unannounced, unanticipated, unapproachable, uncommon, unconventional, uncustomary, undirected, undivined, undreamed-of, unessential, unexpected, unfamiliar, unfashionable, unforeseeable, unforeseen, unfrequented, ungetatable, unguessed, unheard-of, unheralded, unhoped for, unique, unordinary, unorthodox, unpredictable, unpredicted, unprepared for, unthought-of, untouchable, unusual, unvisited, unwonted, vagrant, veering, wandering, way out, winding, withdrawn, without warning, zigzag