(a.) Destitute of function, or of an appropriate organ. Darwin.

adrift beside the mark beside the point beside the question extraneous extrinsic foreign functionless ill-adapted ill-assorted ill-chosen ill-fitted ill-matched ill-sorted ill-suited ill-timed immaterial impertinent improper in disrepair inadmissible inapposite inappropriate inapt incidental inconsequent inept infelicitous inoperable inoperative irrelative irrelevant mal a propos maladjusted malapropos misjoined mismatched mismated misplaced nihil ad rem nonessential nonfunctional nonutilitarian not at issue off base off the subject otiose out of character out of joint out of keeping out of line out of order out of place out of proportion out of season out of time out of tune out of whack out-of-the-way parenthetical unadapted unapt unbecoming unbefitting unconducive unconnected unemployable unessential unfit unfitted unfitting unhelpful unqualified unrelated unseasonable unseemly unsuitable unsuited untimely unusable unworkable