A surcharge may mean: an extra fee added onto another fee or charge Fuel surcharge, sky freight charges which represents additions due to jet fuel prices. Bunker adjustment factor, sea freight charges which represents additions due to oil prices. an overprint that affects the value of a postage stampa surcharge (sanction) against a public servant who has abused public fundsany loading from above the soil line upon earth being supported by a retaining wall… (More on Surcharge)