Adj.

outdated (Damirules)

moot (alia20); outdated (triumfov); obsolete (Lavrov); beside the point (If the court clearly lacks jurisdiction, issue of liability is beside the point. ArishkaYa); out of date (Moscowtran); untopical (However unjustified this disparaging evaluation may be, it is very difficult to answer the question as to when Karamzin became untopical in Russian literature. george serebryakov)

Gruzovik

out-of-date; inoperative

Geschäftsvokab.

historic (askandy)

Gruzovik, übertr.

academic (unpractical)

Lit. Stil

off the table (о вопросе; контекстный перевод igisheva)

Pharm.

unupdated (vatnik)

Plan.

unactionable (unactionable plan — неактуальный план Alex_Odeychuk)