Word-Formation of Superlative Degree of Adjectives in Nias Language in Soera Ni’amoni’õ

This research aims to form superlative adjectives in the Nias language in Soera Ni'amoni'õ. This study used a descriptive qualitative method. This research applies Sidney E. Lang's theory in the book An Intermediate English Grammar (1912). Based on the research results, there were 29 data found in superlative form. This data was found in the form of 2 basic types of adjectives, namely adjectives with one word and adjectives with two words. The data is divided into 8 adjectives ending in -est, 14 adjectives with the addition of the word most, 5 adjectives ending in -y and 2 irregular adjectives found in Soera Ni'amoni'õ in the Torah section of the Old Testament. In the Nias language, there are two ways to form degrees of comparison. First, in adjectives with one word, the formation of superlatives in the Nias language, the word sibai is added after the adjective. Second, for adjectives with two superlative formation words in the Nias language, the word sibai is added between the two Nias language adjectives. In this case, it can be concluded that the Nias language has its own character and uniqueness in each word and sentence it forms.