Read the dictionary definition of surcharge. All definitions for this word.
1. an additional charge (as for items previously omitted or as a penalty for failure to exercise common caution or common skill)
2. show an omission in (an account) for which credit ought to have been given
3. place too much a load on
1. don't overload the car
4. fill to an excessive degree
1. The air was surcharged with tension
5. print a new denomination on a stamp or a banknote
6. fill to capacity with people
1. The air raids had surcharged the emergency wards
7. rip off; ask an unreasonable price
8. charge an extra fee, as for a special service