transitive verb surcharged -·charged′, surcharging -·charg′·ing

1. to overcharge
2. to overload; overburden
3. to fill to excess or beyond normal capacity
4. to mark (a postage stamp) with a surcharge
5. Law to show an omission, as of a credit, in (an account)

Etymology: ME surchargen < OFr surcharger: see sur- & charge

noun

1. 1. an additional amount added to the usual charge
   2. an overcharge
2. an extra or excessive load, burden, etc.
3. a new valuation overprinted on a postage stamp, etc., to change its denomination
4. Law the act of surcharging