ENTHUSIASTIC Meaning of ENTHUSIASTIC in English enthusiastic BrE AmE ɪn ˌθjuːz i ˈæst ɪk ◂ en-, ən-, -ˌθuːz- AmE \ -ˌθuːz-▷ enthusiastic|ally ə l‿i Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012