Insouciance is lack of concern shown by someone about something which they might be expected to take more seriously. (FORMAL)
He replied with characteristic ~: ‘So what?’
= nonchalance
N-UNCOUNT
Insouciance is lack of concern shown by someone about something which they might be expected to take more seriously. (FORMAL)
He replied with characteristic ~: ‘So what?’
= nonchalance
N-UNCOUNT
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012