Translation guide
Money that is owed and should have been paid earlier. In Japanese, this is expressed with specific nouns and verbs related to unpaid debts, rent, or taxes.
The general concept of money that is past due.
A general term for unpaid amounts, often used in financial contexts.
Unpaid bills are piling up.
Non-payment or delinquency, especially for taxes, rent, or regular payments.
I'm behind on my rent.
Delay in payment, often used for library books or small debts.
I've got overdue library books.
Debt; can imply being in arrears when combined with verbs like 返す (to repay).
I'm in trouble because I can't repay my debts.
Describing the state of being in arrears.
Specifically overdue rent.
Overdue taxes.
滞納 (たいのう) implies a continuing state of non-payment, often with a sense of delinquency, and is commonly used for regular obligations like rent or taxes. 未払い (みばらい) simply means 'unpaid' and can refer to any bill or invoice that hasn't been settled yet, without necessarily implying fault.
I'm behind on rent. (delinquent)
This invoice is unpaid. (neutral)
If you're behind on taxes, you'll be charged late fees.
Last month's bill is still unpaid.
He is three months behind on his rent.
Please pay the unpaid taxes immediately.