OMNISCIENT Meaning of OMNISCIENT in English omniscient BrE AmE ɒm ˈnɪs i‿ənt -ˈnɪʃ-, -ˈnɪʃ ə nt AmE \ ɑːm ˈnɪʃ ə nt▷ omniscient|ly li Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012