surplus
n. C / Un. an amount of something that is more than what you need. It often describes extra money or goods left over after all requirements are met.
n. an amount or quantity in excess of what is needed or used. In financial contexts, it specifically refers to the positive balance remaining after expenditures are subtracted from income.
The country has a large trade surplus this year.
After the harvest, the farmers sold their surplus grain to neighboring villages to increase their income.
The government's decision to reinvest the budget surplus into public infrastructure was met with widespread approval from both economists and the general public.
From Middle English surplus, from Middle French surplus. Compare French surplus.
Often used with the preposition 'of' when describing a specific resource, such as a 'surplus of labor' or a 'surplus of food'.