Antonyms for the phrase "most round about" include "direct," "straightforward," "concise," "undeviating," "unambiguous," and "uncomplicated." These words refer to a straightforward approach that avoids detours and unnecessary explanations. Using the opposite of "most round about" can help in situations where time is of the essence, and clear communication is necessary. In business, for instance, it is important to convey messages in a concise and direct manner to avoid confusion and misunderstandings. On the other hand, "most round about" could be useful in creative writing or persuasive speeches where a writer or speaker needs to engage the audience with vivid descriptions and intricate storytelling.