MIND-BOGGLING Meaning of MIND-BOGGLING in English mind-boggling BrE AmE ˈmaɪn d ˌbɒɡ ə l‿ɪŋ ⇨ˈmaɪm- AmE \ -ˌbɑːɡ-▷ mind-boggling|ly li Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012