overage
Definitions
The amount by which something exceeds a required or expected quantity.
A surplus or excess remaining after a process or calculation.
Examples
The shipping company charged us an overage fee because the package exceeded the weight limit.
Due to the unexpected overage in production costs, the project budget had to be revised.
Synonyms
surplus excess overflow abundance superfluity remainder extra
Antonyms
shortage deficit lack dearth insufficiency scarcity deficiency