Definition of "dereliction" in Englisch

noun

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.

3. Land gained from the water by a change of water-line.