Synonyms and related words :
ill-adapted, ill-assorted, ill-chosen, ill-fitted, ill-matched, ill-qualified, ill-sorted, ill-suited, ill-timed, improper, inadequate, inadmissible, inapplicable, inapposite, inappropriate, inapt, incapable, incompetent, ineffective, ineffectual, inept, infelicitous, irrelevant, mal a propos, malapropos, misjoined, mismatched, mismated, misplaced, not equal to, not up to, 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, unable, unadapted, unadjusted, unapt, unbecoming, unbefitting, unequipped, unfit, unfitted, unfitting, unqualified, unseasonable, unseemly, unsuitable, unsuited, untimely