IMPERTURBABLE Meaning of IMPERTURBABLE in English imperturbab|le BrE AmE ˌɪm pə ˈtɜːb əb | ə l ◂ AmE \ ˌɪm p ə r ˈtɝːb-▷ imperturbab|ly li Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012