How do you spell Derelict

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