Noun dereliction has 2 senses
- delinquency, dereliction, willful neglect - a tendency to be negligent and uncaring; "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"
--1 is a kind of negligence, neglect, neglectfulness
- dereliction - willful negligence
--2 is a kind of negligence, carelessness, neglect, nonperformance; wrongdoing, wrongful conduct, misconduct, actus reus
--2 has particulars: nonfeasance
,