Dereliction /(?)/

Der·e·lic·tion

Dereliction

n.
  1. The act of leaving with an intention not to reclaim or resume; an utter forsaking abandonment.
    Cession or dereliction, actual or tacit, of other powers.
  2. A neglect or omission as if by willful abandonment.
    A total dereliction of military duties.
  3. The state of being left or abandoned.
  4. A retiring of the sea, occasioning a change of high-water mark, whereby land is gained. (Law)