<noun.attribute> he inherited his delinquency from his father his derelictions were not really intended as crimes his adolescent protest consisted of willful neglect of all his responsibilities
willful negligence
<noun.act>
Dereliction \Der`e*lic"tion\, n. [L. derelictio.] 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. --Burke.
2. A neglect or omission as if by willful abandonment.
A total dereliction of military duties. --Sir W. Scott.
3. The state of being left or abandoned.
4. (Law) A retiring of the sea, occasioning a change of high-water mark, whereby land is gained.