ABSTRACK This study discusses the types and grammatical meanings of the morpheme bound to the Riau Malay language, Tanjung Balai Karimun dialect. This study uses a qualitative approach and descriptive method which aims to describe the type of bound morpheme of the Riau Malay language in the Tanjung Balai Karimun dialect and to describe the grammatical meaning of the bound morpheme in the …