dereliction

noun3

1. •
   Willful neglect of one's duty.

   • The new soldier did not clean his cabin and was scolded for dereliction and disobedience.
   • What he did was a terrible dereliction of duty.
2. •
   The act of abandoning something, or the state of being abandoned.

   • To this we must contend with prayer , with actual dereliction and seposition of all our other affairs — 1651
3. •
   Land gained from the water by a change of water-line.