n. & v.
n. 1 an additional charge or payment. 2 a charge made by assessors as a penalty for false returns of taxable property. 3 a mark printed on a postage stamp changing its value. 4 an additional or excessive load. 5 Brit. an amount in an official account not passed by the auditor and having to be refunded by the person responsible. 6 the showing of an omission in an account for which credit should have been given.
v.tr. 1 exact a surcharge from. 2 exact (a sum) as a surcharge. 3 mark (a postage stamp) with a surcharge. 4 overload. 5 fill or saturate to excess.
[ ME f. OF surcharger (as SUR-(1), CHARGE) ]