RUMBUSTIOUS Meaning of RUMBUSTIOUS in English rumbustious BrE AmE rʌm ˈbʌs tʃəs -ˈbʌs ti‿əs, !!-ˈbʌs tʃu‿əs ▷ rumbustious|ly li▷ rumbustious|ness nəs nɪs Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012