[der.e.lict] adj [L derelictus, pp. of derelinquere to abandon, fr. de- + relinquere to leave--more at relinquish] (1649) 1: abandoned esp. by the owner or occupant: run-down
2: lacking a sense of duty: negligent
[2]derelict n (1670) 1 a: something voluntarily abandoned; specif: a ship abandoned on the high seas b: a tract of land left dry by receding water
2: a destitute homeless social misfit: vagrant, bum