The Great Dictionary of Anglicisms of the Russian Language, uniting about 20,000 dictionary entries, is the first lexicographic work of this scale, based on the material of Anglicisms. The dictionary contains useful and interesting information not only of an etymological nature, but focuses on the ambiguity of words and phrases, their word-forming activity, contextual use, the presence of synonyms and antonyms. The uniqueness of the dictionary lies in the wide coverage of the areas of use of Anglicisms: sports, music, economics, culture, science, military affairs, construction, everyday life, etc. The work includes terms of mathematics, physics, linguistics, chemistry, biology, medicine, etc.