This paper provides an overview of Contemporary Arabic Lexicon (Mu’jam Arriyadh). It is a contemporary and inclusive Arabic dictionary that has been specifically developed to cater to the needs of both native and non-native Arabic speakers. The corpus utilized in this study is derived from the Arabic Contemporary Corpus for Analysis (ACCA), which encompasses a vast collection of 450 million words of Modern Standard Arabic spanning the previous century. Significantly, the lexicon in question prioritizes lemma-based entries over root forms, hence enhancing its user-friendliness and adaptability across different contexts. The resource offers comprehensive linguistic data pertaining to a wide array of Arabic vocabulary, encompassing morphological, morph-syntactic, and semantic aspects. The Lexicon has been developed in accordance with the ISO 24613 standard, which improves its ability to be processed by machines and facilitates the utilization of natural language processing systems. The database encompasses a range of linguistic aspects, such as synonyms, antonyms, and root forms, offering a comprehensive compilation. Mu’jam Arriyadh is a contemporary Arabic lexicon that is designed to be accessible to users, compatible with machine processing, and highly beneficial for anyone studying the language, conducting research, and utilizing natural language processing technologies.