As past participle. Of land or property: not freed from adjudication, because of non-payment of an encumbering debt. Cf. unquit, adj. 1.

(a) Of land: left by the retreat of a body of water, esp. the sea. (b) Of property: abandoned, deserted. Cf. derelict, adj. 1.

Originally North American. Of land, property, etc.: excellent, high quality; well-situated; attractive to potential buyers, tenants, etc.

Originally North American. Of land: divided into sections or lots; divided and allotted; spec. (Scottish) leased by an estate in sections to…

U.S. Of land: owned by a person not residing on it.

Of an estate: Saddled with a jointure.

(un-, prefix1 affix 2.)