If you describe something bad or unpleasant as ~, you are emphasizing that it seems to last a very long time.
...a ~ series of scandals...
= interminable
ADJ emphasis
If you describe something bad or unpleasant as ~, you are emphasizing that it seems to last a very long time.
...a ~ series of scandals...
= interminable
ADJ emphasis
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012