[, ] ( improprieties) () behaviour or actions that are dishonest or not appropriate for a person in a position of responsibility不诚实（或不正当、不合适）的行为举止◆allegations of financial impropriety财务违法的指控◆The bank has denied any impropriety in the way it managed the accounts.银行已否认在管理账目中有任何不正当的行为。