a. [ Pref. un- not + appropriated. ] 1. Not specially appropriate; having no special application. J. Warton. [ 1913 Webster ]

2. Not granted to any person, corporation, or the like, to the exclusion of others; as, unappropriated lands. [ 1913 Webster ]

3. Not granted for, or applied to, any specific purpose; as, the unappropriated moneys in the treasury. [ 1913 Webster ]

In the proceedings of the United States congress, money for specific purposes must first be authorized by law, and must subsequently be appropriated in a separate action. Money authorized but not appropriated may be described as unappropriated. [ PJC ]