(1):
(a.) Given up or forsaken by the natural owner or guardian; left and abandoned; as, derelict lands.
(2):
(n.) A thing voluntary abandoned or willfully cast away by its proper owner, especially a ship abandoned at sea.
(3):
(n.) A tract of land left dry by the sea, and fit for cultivation or use.
(4):
(a.) Lost; adrift; hence, wanting; careless; neglectful; unfaithful.