Derelict (adjective)

1. Neglected or abandoned, especially as a result of neglect by the owner.
2. In a state of disrepair or decay.
3. Having failed to fulfill a duty or responsibility.

Origin:

Derived from the latin word 'derelictus' meaning 'abandoned'.

Examples:

1. The derelict building was in danger of collapsing.
2. The derelict ship was an eyesore in the harbor.
3. The derelict lot was overgrown with weeds.
4. The derelict parents were charged with neglect.
5. The derelict government failed to provide basic services to its citizens.