Dereliction of duty is deliberate or accidental failure to do what you should do as part of your job. (FORMAL)
He pleaded guilty to wilful ~.
= negligence
N-UNCOUNT
Dereliction of duty is deliberate or accidental failure to do what you should do as part of your job. (FORMAL)
He pleaded guilty to wilful ~.
= negligence
N-UNCOUNT
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012