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
overpayment
noun
as in repayment
Synonyms & Similar Words
Relevance
- repayment
- reimbursement
- paying
- payment
- remittance
- prepayment
- compensation
- giving
- disbursement
- remitment
- remuneration
- paying off
- paying up
- tendering
- rendering
Antonyms & Near Antonyms
- nonpayment
- underpayment