excess, extra
Superabundant, overstock, plethora, oversupply (when surplus is a noun)Excess, superfluent, leftover (when surplus is an adjective)
A surplus account is the accumulation of undivided profits.
OK, first of all, "What is new surplus mean?" is not English. You gotta say, "What does new surplus mean?" Anyway, the definition is like the item is unused, looks good, but was bought from others....
Surplus on the balance of payments is the rise of money in the country; it is the amount of imports they get.