IPA: /ˈslʌvənlɪs/
KK: /ˈslʌvənlɪs/
The condition of being messy or untidy in appearance or habits.
His slovenliness was evident in the cluttered room and wrinkled clothes.
Slovenliness is formed from "sloven" (from Middle English *sloven*, meaning a careless or untidy person) and the suffix "-liness" (meaning the quality of being). The word describes the quality of being careless or untidy, characteristic of a sloven.
Think of a 'sloven' as someone who is untidy, and '-liness' refers to the quality of that state. This helps you remember that 'slovenliness' means the quality of being untidy.