slatternliness

/ˈslætərnlinəs/
noun
  1. The quality or state of being messy, dirty, or untidy, especially in personal appearance or housekeeping.
    • He tried to hide his slatternliness by shoving everything into closets before guests arrived.
    • Her slatternliness was obvious from the piles of laundry and unwashed dishes everywhere.
    • The landlord complained about the tenant's slatternliness and the resulting damage to the apartment.