FATUOUS Meaning of FATUOUS in English fatuous BrE AmE ˈfæt ju‿əs ˈfætʃ u‿əs AmE \ ˈfætʃ u‿əs▷ fatuous|ly li▷ fatuous|ness nəs nɪs Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012