CO-STAR Meaning of CO-STAR in English co-star BrE AmE ˈkəʊ stɑː AmE ˈkoʊ stɑːr▷ co-star|red d▷ co-starring ˈkəʊ stɑːr ɪŋ AmE ˈkoʊ-▷ co-star|s z Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012