derelict

US /ˈder.ə.lɪkt/
UK /ˈder.ə.lɪkt/
"derelict" picture
1.

in a very poor condition as a result of disuse and neglect

:
The old factory stood derelict for years before it was demolished.
They found a derelict building that was perfect for their art project.
2.

(of a person) shamefully negligent in not having done what one ought to do

:
He was derelict in his duty to report the incident.
The manager was fired for being derelict in his responsibilities.
1.

a person who has abandoned their home and family and is usually homeless

:
The city has many programs to help the derelicts find shelter and support.
He was once a successful businessman, but now he lives as a derelict.