noun

1. That which remains when use or need is satisfied, or when a limit is reached; excess; overplus.

2. Specifically, an amount in the public treasury at any time greater than is required for the ordinary purposes of the government.

3. The remainder of a fund appropriated for a particular purpose.

Synonyms: oversum

verb

1. To treat as surplus to requirements, to sell off.

adjective

1. Being or constituting a surplus; more than sufficient

   “It is surplus to our needs”