This study aims to explain the theological dimensions that arise due to the presence of non-Arabic vocabulary (mu'arrab) in the Qur'an. Language is a medium in conveying the intentions, needs and goals of its users, both verbally and non-verbally. Language development can follow the cultural evolution of a civilization. It is not surprising that the vocabulary of one language can be found in another language because linguistic changes occur as a result of interactions between speakers of different languages. This research is a library research, using the documentation method, namely by finding and collecting data related to the discussion in this thesis to then be analyzed using the analytical-descriptive method, namely by looking at argume...