in arrears
idiomPart ofarrear
in arrears — idiom
1. behind schedule in making a payment or fulfilling an obligation at the time it i
1.idiom
Definition
behind schedule in making a payment or fulfilling an obligation at the time it is due.
Example
After months of financial trouble, the school was three months in arrears on its electricity bill.
The charity warned that rent was already in arrears and threatened to lock the doors if nothing was paid by Friday.