UNENTHUSIASTIC Meaning of UNENTHUSIASTIC in English unenthusiastic BrE AmE ˌʌn ɪn ˌθjuːz i ˈæst ɪk ˌ•ən-, -ˈθuːz- AmE \ -ˈθuːz- Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012