overcharge
noun
Definitions
An excessive load or burden.
An excessive charge in an account.
verb
Definitions
To charge (somebody) more money than the correct amount or to surpass a certain limit while charging a bill.
To continue to charge (an electrical device) beyond its capacity.
To charge (someone) with an inflated number or degree of legal charges (for example, charging them with a more serious crime than was committed); to upcharge.
To charge or load too heavily; to burden; to oppress.