EX-OFFICIO Meaning of EX-OFFICIO in English ex-officio, ex officio BrE AmE ˌeks ə ˈfɪʃ i əʊ ◂ ˌ•ɒ-, -ˈfɪs- AmE \ -oʊ Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012