DEBUT Meaning of DEBUT in English debut, début BrE AmE ˈdeɪb juː -uː; ˈdeb juː deɪ ˈbjuː — Preference poll, British English: ˈdeɪb- 69%, ˈdeb- 31%. —French [ de by ] ▷ debut|s z Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012