Word parts mess + -y Pronunciation IPA (key): /ˈmɛsi/ Hyphenation: mess‧y Audio (UK)(file) Adjective Positive messy Comparative messier Superlative messiest Something that is messy is very chaotic and not organized. Synonym: untidy His sister's bedroom can be a bit messy at times.Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads