derelict

derelict is an Adverb

Definition:

[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. Jer. Taylor.

[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. Burke. A government which is either unable or unwilling to redress such wrongs is derelict to its highest duties. J. Buchanan.