uncollected un‧col‧lect‧ed [ˌʌnkəˈlektd◂] adjective
debts, payments etc that are uncollected have not yet been paid:

• There is the additional cost of uncollected debts which must be written off each year.

• uncollected taxes

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uncollected UK US /ˌʌnkəˈlektɪd/ adjective TAX, BANKING
not paid: »

The company was told it owes $1 million in uncollected sales taxes.


Eventually, uncollected bills for the uninsured get paid for by taxpayers or through higher insurance premiums.

Financial and business terms. 2012.