The opposite of "why and wherefores" are clear and simple answers. When someone asks about the "why and wherefores" of a situation, they are seeking an explanation or understanding for the reasons behind it. However, if the situation is straightforward and uncomplicated, there may be no need for such explanations. This is where antonyms for "why and wherefores" come in - such as clear-cut, unambiguous, direct or certain answers. These are the opposite of the complex, multi-layered explanations that one would need to satisfy the curiosity of someone trying to understand the "why and wherefores" of a particular event or occurrence.