Yes, one of the most popular dictionaries in the world. I mean everything with the word Oxford will be associated with authority and everyone will trust them. I kid you not. And since the English Language is a bit complicated, we all need dictionaries. Without which we would all be confused about what the other person is saying right? And if you are a beginner learner of the language, you would appreciate the easy to understand explanations. Yes, they are masters of the language but it does not mean that they are snobs and only use complicated words. They have other free features like words of the day, better writing as well as puzzles and games to improve your English. They also provide some basic classroom worksheets for kids. However, the basic content is free but you would need to sign up for premium membership if you require more than just the basic dictonary.