surcharge
noun [ C ]
COMMERCE uk/ˈsɜːtʃɑːdʒ/ usa charge in addition to the usual amount paid for something, or to the amount already paid:
A surcharge may be made for deliveries outside normal hours.
See also
import surcharge
surcharge
verb [ I or T ]
uk/ˈsɜːtʃɑːdʒ/ usto charge someone an extra amount:
People do not see why they should be surcharged for withdrawing their own money.