SOPORIFIC Meaning of SOPORIFIC in English soporific BrE AmE ˌsɒp ə ˈrɪf ɪk ◂ ˌsəʊp- AmE \ ˌsɑːp- ˌsoʊp- ▷ soporific|s s Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012