Word parts un- + tidy Pronunciation IPA (key): /ʌnˈtaɪdi/ Audio (UK)(file) Adjective Positive untidy Comparative untidier Superlative untidiest If a place is untidy, it is not organized properly. Synonym: messy I have never seen such an untidy bedroom!Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads