open and shut

open and shut

Clear-cut or straightforward, as of a legal case. Often hyphenated if used before a noun. With all the evidence against the defendant, I expect this to be an open-and-shut case. Her signature on the documents proves she accepted the payment, so it seems pretty open and shut who is responsible.
See also: and, open, shut

open and shut

Simple, straightforward, easily solved, as in With three eyewitnesses, the prosecutor said this case was open and shut. This term suggests that one has immediate access to the facts of a situation. [c. 1840]
See also: and, open, shut

open and shut

If something, especially a legal case, is open and shut, it is easily decided or solved because the facts are very clear. We'll need to come back here and measure things for the report, but it seems open and shut to me. Note: Open-and-shut is often used before nouns. The prosecution behaved as if they had an open-and-shut case. Note: In this expression, the word `and' means `and then', suggesting that the case being dealt with has been opened and then closed again almost immediately because it was easy to solve or deal with.
See also: and, open, shut

open-and-shut

(of a case or argument) admitting no doubt or dispute; straightforward and conclusive.
References in classic literature ?
600,000,000 air cells in one pair of lungs, and 2,000 pores to a square inch of surface; so you see what quantities of air we must have, and what care we should take of our skin so all the little doors will open and shut right.
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