Unrehearsed activities or performances have not been prepared, planned, or practised beforehand.
In fact, the recordings were mostly ~ improvisations.
ADJ
Unrehearsed activities or performances have not been prepared, planned, or practised beforehand.
In fact, the recordings were mostly ~ improvisations.
ADJ
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012