SURCHARGE

An addition of extra charge on the agreed or stated price.

"Our airline tickets cost twenty dollars more than we expected because we had to pay a fuel surcharge."

An excessive price charged e.g. to an unsuspecting customer.

An overprint on a stamp that alters (usually raises) the original nominal value of the stamp; used especially in times of hyperinflation.

To apply a surcharge.

To overload; to overburden.

"to surcharge an animal or a ship; to surcharge a cannon"

To overstock; especially, to put more cattle into (e.g. a common) than one has a right to do, or more than the herbage will sustain.