surcharge

IPA: sɝtʃˈɑrdʒ

An addition of extra charge on the agreed or stated price.
The part of the price of a subsidized good or service that is not covered by the subsidy and so must be paid by the consumer.
An excessive price charged e.g. to an unsuspecting customer.
(philately) An overprint on a stamp that alters (usually raises) the original nominal value of the stamp; used especially in times of hyperinflation.
(art) A painting in lighter enamel over a darker one that serves as the ground.
(law) A charge that has been omitted from an account as payment of a credit to the charged party
(law) A penalty for failure to exercise common prudence and skill in the performance of a fiduciary's duties.
(obsolete) An excessive load or burden.
(law, obsolete) The putting, by a commoner, of more animals on the common than he is entitled to.

To apply a surcharge.
To overload; to overburden.
(law) 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.
To show an omission in (an account) for which credit ought to have been given.

Examples of "surcharge" in Sentences

The hotel bill included a surcharge for using the spa facilities
I was surprised to see a surcharge added to my bill for room service
The airline charged a surcharge for checking a bag weighing over 50 pounds
The concert tickets had a surcharge for purchasing them online instead of at the box office
I didn't realize there would be a surcharge for parking overnight at the hotel