ROIL Meaning of ROIL in English roil BrE AmE rɔɪ ə l▷ roiled rɔɪ ə ld▷ roiling ˈrɔɪ ə l ɪŋ▷ roils rɔɪ ə lz Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012