unsuitable, unfitting, ill-suited, unseemly, unbecoming, unprofessional, unfit, unbefitting, indecorous, improper, lacking in propriety, ungentlemanly, unladylike
incongruous, out of place, out of keeping, wrong, amiss, inapposite, inapt
inexpedient, inadvisable, injudicious, ill-advised, ill-judged, ill-considered, infelicitous, unfortunate, regrettable, misguided, misplaced, ill-timed, untimely, inopportune, undue, untoward, tactless, tasteless, in bad taste, in poor taste, undesirable
informal out of order
We take a look at several popular, though confusing, punctuation marks.