noun which may take the genitive case particle 'no', noun
unpaid; outstanding; overdue
Used for bills, debts, wages, or fees that have not been paid yet. Often appears in financial, legal, or business contexts.
See also: 既払い
There are still several unpaid invoices.
未払い残高は月末までにお支払いください。
Please pay the outstanding balance by the end of the month.
This month's salary has gone unpaid.
There are still several unpaid invoices left.
The company promised to pay off the outstanding amount right away.
Irregular okurigana usage; seen in some business or legal contexts but less common.