неуместный

1) General subject: adventitious, ill placed, ill timed, ill-placed, ill-timed, impertinent, impolitic, improper, inapposite, inappropriate, inapt, incongruous, inconsequent, inconsequential, indecorous, inept, infelicitous, injudicious, inopportune, intempestive, irrelative, irrelevant, misplaced, mistaken, out of order, out of place, out of the way, postiche (особ. о скульптурных украшениях), unbecoming, uncalled, uncalled for, uncalled-for, undue, unfitting, unfortunate, unhappy, unseasonable, unseemly, untimely, untoward, inexpedient, unbeseeming

2) Mathematics: off-base

3) Architecture: needless, out-of-the-way

4) Diplomatic term: unwarranted

5) Jargon: all wasted, off the beam, off time, out in the left field, full of hops, full of hot air, full of prunes, full on beans

6) Quality control: off-base (об утверждении)

7) Makarov: wrong

8) Taboo: ass-wise

9) Phraseological unit: beside the point (Irrelevant)