"mind boggling" in German mind-boggling irrsinnig haarsträubend unvorstellbar unfassbar Detailed translations for "mind boggling" mind-boggling 1. colloquial mind-boggling(also: lunatic) irrsinnig mind-boggling haarsträubend{adjectiv} 2. other mind-boggling(also: beyond imagination, undreamed) unvorstellbar mind-boggling unfassbar{adjectiv}