[plural] [noun] - money that is owed and that should have been paid in the pastWe must find some way of paying off our rent arrears.In arrears means owing money.My account is badly in arrears.They are in arrears on/with their mortgage payments.If someone is paid in arrears, they are paid at the end of the period of time during which the money was earned.The workers in the factory are all paid a week in arrears.
ARREARS
Meaning of ARREARS in English
Cambridge English vocab. Кембриджский английский словарь. 2012