HYPERSONIC Meaning of HYPERSONIC in English hypersonic BrE AmE ˌhaɪp ə ˈsɒn ɪk ◂ AmE \ - ə r ˈsɑːn ɪk ◂▷ hypersonic|s s Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012