(a.) Not proper to be admitted, allowed, or received; as, inadmissible testimony; an inadmissible proposition, or explanation\.

adrift beside the mark beside the point beside the question ethnocentric exceptionable exceptional excluding exclusive exclusory extraneous extrinsic ill-adapted ill-assorted ill-chosen ill-favored ill-fitted ill-matched ill-sorted ill-suited ill-timed immaterial impertinent impossible improper inapplicable inapposite inappropriate inapt incidental inconsequent indefensible inept infelicitous insular intolerable irrelative irrelevant mal a propos maladjusted malapropos misjoined mismatched mismated misplaced narrow nihil ad rem nonessential not at issue objectionable 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 parochial preclusive prescriptive preventive prohibitive restrictive seclusive segregative select selective separative snobbish unacceptable unadapted unapt unbecoming unbefitting undesirable unessential unfit unfitted unfitting unqualified unseasonable unseemly unsuitable unsuited untenable untimely unwanted unwelcome xenophobic