EPENTHETIC Meaning of EPENTHETIC in English epenthetic BrE AmE ˌep en ˈθet ɪk ◂ - ə n-, ⇨-m- AmE \ -ˈθet̬-▷ epenthetic|ally ə l‿i Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012