1. a payment that is more than the amount owed or required

Examples

• The company issued a refund for the overpayment on my account.
• Due to a billing error, there was an overpayment of $200 on the invoice.
• The tax office will return any overpayment within six weeks.
• She discovered an overpayment when reviewing her credit card statement.
• The insurance overpayment was credited to next month’s premium.
• Customers can request a refund for any overpayment made in error.