dilapidation
🇺🇸
/dɪˌlæpɪˈdeɪʃn/
🇬🇧
/dɪˌlæpɪˈdeɪʃn/
When something, especially a building, is old and damaged, and not well taken care of.
The old house was in a state of dilapidation, with broken windows and a crumbling roof.