An ~ action is one that you do without planning or organizing it in advance.
This afternoon the Palestinians held an ~ press conference...
ADJ: usu ADJ n
An ~ action is one that you do without planning or organizing it in advance.
This afternoon the Palestinians held an ~ press conference...
ADJ: usu ADJ n
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012