The meaning of Sudais is Sudais is an Arabic and indirect Quranic name that means sixth, one out of six. It is the last name of a famous Quran reciter, Shaikh Abdurrahman as-Sudais, and for this reason some people like to use it for their children. Sudais is derived from the S-D-S (six) root which is used at least twice in the Quran.