GIBBERISH Meaning of GIBBERISH in English gibberish BrE AmE ˈdʒɪb ə r‿ɪʃ ˈɡɪb- — Preference poll, British English: ˈdʒɪb- 96%, ˈɡɪb- 4%. Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012