SUPERGRASS Meaning of SUPERGRASS in English supergrass BrE AmE ˈsuːp ə ɡrɑːs ˈsjuːp-, § -ɡræs AmE - ə r ɡræs▷ supergrass|es ɪz əz Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012