Dereliction

deliberate or conscious neglect; negligence; delinquency

dereliction of duty.

the act of abandoning something.

the state of being abandoned.

Law . a leaving dry of land by recession of the water line.

noun

forsaking , desolation , relinquishment , desertion , negligence , evasion , nonperformance , carelessness , default , delinquency , neglect , omission