Ageism is unacceptable behaviour that occurs as a result of the belief that older people are of less value than younger people.
N-UNCOUNT disapproval
Ageism is unacceptable behaviour that occurs as a result of the belief that older people are of less value than younger people.
N-UNCOUNT disapproval
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012