overpayment
noun
over·pay·ment ˌō-vər-ˈpā-mənt 
plural overpayments
: payment that exceeds what is necessary
overpayment of taxes
… implemented electronic payrolls for all employees to prevent overpayment …
Jocelyn Brumbaugh
Jocelyn Brumbaugh also : an amount that is paid in excess
… two taxpayers could not get refunds of tax overpayments dating back more than four years … Samantha McCaughren
Samantha McCaughren 
Word History
First Known Use
1585, in the meaning defined above
Legal Definition
overpayment
noun
over·pay·ment
ˈō-vər-ˌpā-mənt
: payment in excess of what is due
overpayments
noun
as in reimbursements
Synonyms & Similar Words
Relevance
- reimbursements
- repayments
- payments
- prepayments
- remittances
- disbursements
- remitments
- compensations
- remunerations
- renderings
Antonyms & Near Antonyms
- underpayments
- nonpayments