Impronunciable in english
Unpronounceable
pronunciation: ənprənaʊnsəbəl part of speech: adjective
pronunciation: ənprənaʊnsəbəl part of speech: adjective
In gestures
impronunciable = unutterable.
Example: Things are not all so comprehensible and utterable as people would mostly have us believe -- most events are unutterable.