Added 9 October 2026 messiness noun Categories: Describing WordsRare Words noun ! Definition from WordNet 3.1, Princeton University. More about messiness at Wordnik → Where our words come from → A state of confusion and disorderliness. the house was a mess The trait of being untidy and messy. Related Words: untidinessmessmussmussinessunorderlinesssloppinessclutterednesstrashinesschaoticnessmuckinessunneatnesschaoticity Back to today's word