Definition of "overpay" []

• To pay (a party) too much. (verb-transitive)
• To pay an amount in excess of (a sum due). (verb-transitive)
• To pay too much. (verb-intransitive)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Over the summer, gas customers who pay regular amounts by direct debit tend to overpay, meaning they are temporarily in credit."
• "He had the good judgment not to "overpay," news accounts suggested."
• "That distinction once seemed huge -- Heavens, it would be a crime to "overpay" for these assets!"