(~s)
A ~ is someone who has serious mental problems and who may act in a violent way without feeling sorry for what they have done.
She was abducted by a dangerous ~.
N-COUNT
(~s)
A ~ is someone who has serious mental problems and who may act in a violent way without feeling sorry for what they have done.
She was abducted by a dangerous ~.
N-COUNT
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012