- deliberate or conscious neglect; negligence; delinquency: dereliction of duty.
- the act of abandoning something.
- the state of being abandoned.
- a leaving dry of land by recession of the water line.
- deliberate, conscious, or wilful neglect (esp in the phrase dereliction of duty)
- the act of abandoning or deserting or the state of being abandoned or deserted
- law
- accretion of dry land gained by the gradual receding of the sea or by a river changing its course
- the land thus left
