arrears
ar·rears
/əˈriɚz/ noun [ plural ]
1 : money that is owed and that has not been paid when it should be
He's been trying pay off the arrears on his mortgage.
alimony/rent arrears
2
— used to describe a situation in which someone has failed to make a regular payment at the required time
He is two months in arrears [=behind] with his mortgage payments.
The account is two months in arrears. [=overdue, delinquent]
He has fallen into arrears on his mortgage payments.
3
— used to describe a situation in which someone is paid money that was earned at an earlier time
You will be paid interest on your investment in arrears.
construction workers paid in arrears for their work
