To overload, in any sense; overburden: as, to surcharge a beast or a ship; to surcharge a cannon.In law: To show an omission in; show that the accounting party ought to have charged himself with more than he has. See surcharge and falsification, under surcharge, n.To overstock; especially, to put more cattle into, as a common, than the person has a right to put, or more than the herbage will sustain.To overcharge; make an extra charge upon.n. A charge or load above another charge; hence, an excessive load or burden; a load greater than can be well borne.n. A charge or supply in excess of the amount requisite for immediate use, or for the work in hand, as of nervous force or of electricity.n. In law: An extra charge made by assessors upon such as neglect to make a due return of the taxes to which they are liable.n. The showing of an omission in an account or something in respect of which the accounting party ought to have charged himself more than no has.n. In ceramics, a painting in a lighter enamel over a darker one which forms the ground: as, a white flower in surcharge on a buff ground.n. An overcharge beyond what is just and right.To print or write officially a surcharge on the face of (a postage-stamp). See surcharge, n., 6.n. Something, as a new valuation or status, offioially printed on the face of a postage-stamp.