HYPERBOREAN Meaning of HYPERBOREAN in English hyperborean, H~ BrE AmE ˌhaɪp ə ˈbɔːr i‿ən -bɔː ˈri ː ‿ən, -bɒˈ•- AmE ˌhaɪp ə r- -ˈboʊr- ▷ hyperborean|s z Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012