A state of severe physical decay or disrepair; having fallen into dilapidation.
To fall into such a state (used predicatively, as in 'go to rack and ruin').
2.
UKUSAustraliaCanadaIrelandidiomaticfigurative
A condition of ruin or collapse applied metaphorically to institutions, systems, reputations, or lives; severe moral, social, or economic deterioration.