noun An addition of new text on a previously printed stamp, usually to add a surcharge or change the face value.
noun The set of petrological, structural, and/or mineralogical characteristics superimposed onto rock by the action of geological processes over deep time.
verb To print over what has already been printed.
verb To add an overprint to (a stamp).
verb To superimpose a new set of petrological, structural, and/or mineralogical characteristics onto rock by the action of geological processes over deep time.
verb To print too many copies of.
The unpopular comic book was overprinted, leaving many retailers with dozens of unsaleable copies.