Illiteracy (Ümmîlik) of prophet Muhammed was evaluted unknown reading and writting by major intellectual of Islamic. We presented this concept with other means and semantics analysis in this work. We worked to analogy of dictionary and mean using Quran and Hadith We saw this i concept using in Islamic theology to defend fountainhead of Quran. As a result we talked about this concept which went out of deoriginal means and earned mean of term