Antonyms of noun tidiness

2 senses of tidiness

Sense 1
tidiness -- (the habit of being tidy)
       Antonym of untidiness (Sense 1)
      => untidiness -- (the condition of being untidy)

Sense 2
tidiness, neatness -- (the trait of being neat and orderly)
       Antonym of untidiness (Sense 2)
      => untidiness, messiness -- (the trait of being untidy and messy)

Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun tidiness

2 senses of tidiness

Sense 1
tidiness -- (the habit of being tidy)
       => orderliness, order -- (a condition of regular or proper arrangement; "he put his desk in order"; "the machine is now in working order")

Sense 2
tidiness, neatness -- (the trait of being neat and orderly)
       => cleanliness -- (diligence in keeping clean)