The word "most obfuscous" means very confusing and difficult to understand. The antonyms for this word could be "clear", "simple", "intelligible", "transparent", "lucid", "comprehensible" and "unambiguous". These antonyms describe something that is easy to understand, clear, and straightforward. They convey a sense of clarity and simplicity, and thereby, offer a contrast to the original meaning. These words are useful in situations where you want to make sure that your message is easy to understand and that there is no confusion or misunderstandings. By using these antonyms, you can ensure that your message is conveyed clearly and concisely.