未納 (みのう, minou) Japanese meaning: unpaid | KotomoraUnpaid national pension contributions have become a problem.
Please pay the overdue membership fees by next month.
Usage patterns
〈物〉が未納になるfor something to fall into arrears / go unpaid
The membership fee is unpaid.
未納分を支払うto pay off the outstanding amount
I paid off the outstanding amount all at once.
〈物〉を未納のままにするto leave something unpaid
Leaving insurance premiums unpaid can cause problems.