MITHRAIST Meaning of MITHRAIST in English Mithraist BrE AmE ˈmɪθ reɪ ɪst -rə-, § \ -əst; mɪθ ˈreɪ- ▷ Mithraist|s s Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012