Acadian /əˈkeɪ.di.ən/adjective 2noun 2forms 3 adjective2 •Of or pertaining to Acadia, its people, or their language or culture. •Of or pertaining to the Acadian epoch. noun2 •A native of Acadia or their descendants who moved to Louisiana; a Cajun. •(Canada) A descendant of the settlers of the French colony of Acadia in current eastern Canada. More specifically a speaker of Acadian French. formsAcadians · more Acadian · most Acadian