If you describe a belief or custom as ~, you mean that it is old-fashioned and no longer has any meaning or usefulness.
...an ancient nation irretrievably sunk in an ~ culture.
ADJ
If you describe a belief or custom as ~, you mean that it is old-fashioned and no longer has any meaning or usefulness.
...an ancient nation irretrievably sunk in an ~ culture.
ADJ
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012