(a.) Not apposite; not fit or suitable; not pertinent.

adrift beside the mark beside the point beside the question extraneous extrinsic foreign ill-adapted ill-assorted ill-chosen ill-fitted ill-matched ill-sorted ill-suited ill-timed immaterial impertinent improper inadmissible inapplicable inappropriate inapt incidental inconsequent inept infelicitous irrelative irrelevant mal a propos maladjusted malapropos misjoined mismatched mismated misplaced nihil ad rem nonessential not at issue off the subject out of character out of joint out of keeping out of line out of place out of proportion out of season out of time out of tune out-of-the-way parenthetical unadapted unapt unbecoming unbefitting unessential unfit unfitted unfitting unqualified unseasonable unseemly unsuitable