OVERTURN Meaning of OVERTURN in English overturn verb BrE AmE ˌəʊv ə ˈtɜːn AmE \ ˌoʊv ə r ˈtɝːn▷ overturn|ed d▷ overturn|ing ɪŋ▷ overturn|s z Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012