Brunei Malay estimated that 94% of the words of Brunei Malay and Kedayan are lexically related. "Bini-bini" is exclusively used in Brunei to refer to a lady. In Indonesia, Malaysia and Singapore, it is an informal way to refer to one's wives or a group of married women. The vocabulary of Brunei Malay has been collected and published by several western explorers in Borneo including Pigafetta in 1521, De Crespigny in 1872, Charles Hose in 1893, A. S. Haynes in 1900, Sidney H. Ray in 1913, H. B. Marshall in 1921, and G. T. MacBryan in 1922, and some Brunei Malay words
Languages of Brunei specified, it is generally assumed to be a variety of Standard Malay that is similar to the standard varieties promoted in Malaysia and Indonesia. In fact, the use of Standard Malay and Brunei Malay can be described under the concept of diglossia, with Standard Malay taking the H(igh) role and being used in formal domains such as teaching and official speeches, while Brunei Malay functions in a L(ow) role, being used in informal domains such as between friends and in local shops. In terms of pronunciation, the Standard Malay of Brunei is rhotic, so there is an [r] at the