GNASH Meaning of GNASH in English gnash BrE AmE næʃ▷ gnashed næʃt▷ gnasher/s ˈnæʃ ə/z AmE \ - ə r/z▷ gnashes ˈnæʃ ɪz -əz ▷ gnashing ˈnæʃ ɪŋ Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012