DOSSIER Meaning of DOSSIER in English dossier BrE AmE ˈdɒs i eɪ -i‿ə AmE ˈdɔːs i eɪ ˈdɑːs-, -i‿ ə r —French [ do sje \] ▷ dossier|s z Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012