The correct spelling of the phrase "more all important" can be a bit confusing as it is commonly misspelled as "more all-impotent". The correct pronunciation for this phrase is /mɔːr ɔːl ɪmˈpɔːtənt/. The word "all" is used before "important" to intensify the importance of the subject. So, it is important to spell it correctly to avoid any misunderstandings. Remember to use the correct spelling of "more all important" for clear communication along with proper pronunciation.