Derelict /(?)/

Der·e·lict

Derelict

a.
  1. Given up or forsaken by the natural owner or guardian; left and abandoned; as, derelict lands.
    The affections which these exposed or derelict children bear to their mothers, have no grounds of nature or assiduity but civility and opinion.
  2. Lost; adrift; hence, wanting; careless; neglectful; unfaithful.
    They easily prevailed, so as to seize upon the vacant, unoccupied, and derelict minds of his [Chatham's] friends; and instantly they turned the vessel wholly out of the course of his policy.
    A government which is either unable or unwilling to redress such wrongs is derelict to its highest duties.
    — J. Buchanan.

Derelict

n.
  1. A thing voluntary abandoned or willfully cast away by its proper owner, especially a ship abandoned at sea. (Law)