There are a number of languages spoken in Brunei. The official language of the state of Brunei is standard Malay, the same Malaccan dialect that is the basis for the standards in Malaysia and Indonesia.This came into force on 29 September 1959, with the signing of Brunei 1959 Constitution.he local dialect, Melayu Brunei (Brunei Malay), is the most widely spoken language. It is spoken by about 266,000 people. About 84% of its words are cognate with Standard Malay, while 94% are reported to be cognate with Kedayan.