brigadier Syllabification: (brig·a·dier)Pronunciation: /ˌbrigəˈdi(ə)r, ˈbrigəˌdi(ə)bur/Translate brigadier | into German | into Italian Definition of brigadier noun a rank of officer in the British army, above colonel and below major general. Origin: late 17th century: from French (see brigade, -ier)brigadier in other Oxford dictionaries Definition of brigadier in the British & World English dictionary