The phrase "open and shut" is commonly used as an adjective phrase to describe a situation or a case that is simple, clear, and easy to understand, usually implying that the outcome is already determined and there is no room for debate or interpretation. It typically refers to a matter that is obvious, conclusive, or unequivocal in its resolution.
In legal contexts, an "open and shut" case refers to one where the evidence is so overwhelmingly in favor of one party that the outcome is virtually guaranteed. The facts and evidences are so clear and compelling that there is no need for further investigation, argument, or discussion. It suggests that the case should be considered straightforward and a verdict can be easily reached.
Outside legal matters, "open and shut" can be applied to various situations, such as a decision, a solution, or an explanation. For instance, an "open and shut" decision is one that is obvious and easy to make, without much consideration or doubt. Similarly, an "open and shut" solution or explanation is one that is evident, beyond a doubt, and requires no further speculation.
Overall, "open and shut" describes a situation or a case that is clear, self-evident, and without any ambiguity or complexity, implying a swift, definitive resolution.
