| Unpaid debt |
| Debt to pay |
| Overdue sum |
| Unpaid bill |
| Overdue debt |
| Overdue thing |
| Unpaid amount |
| Old-style debt |
| Overdue amount |
| Overdue payment |
| In ___ (behind) |
| Unfulfilled duty |
| Sum of money owed |
| State of lateness |
| Debtor's situation |
| In ___ (late, in law) |
| Something unpaid but due |
| Amount of debt, old-style |
| In ___ (behind in paying) |
| In ___ (behind in debt paying) |
| Delinquency word more commonly heard in the plural |