Definition of "overbill" [overbill]

• To bill an excessive amount, particularly an amount greater than one is legally entitled to. (verb)

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• "Did anyone else get a letter about a PGE Trojan overbill from 2000?"
• "Just think, father, Halliburton and its subsidiaries are allowed to fraudulently overbill the US Army for shoddy work in IRAQ How many soldiers were electrocuted in their poorly constructed showers? and we just pay the bills."
• "What you are saying is: Get ready for hospitals, physicians, and companies selling medical supplies to overcharge and overbill."