If a bad situation or change is ~, the situation cannot be improved. (FORMAL)
His memory suffered ~ damage.
= irreparable
ADJ
If a bad situation or change is ~, the situation cannot be improved. (FORMAL)
His memory suffered ~ damage.
= irreparable
ADJ
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012