open-and-shut case


Also found in: Dictionary.

an open-and-shut case

A legal case that is clear-cut or straightforward. With all the evidence against the defendant, I expect this to be an open-and-shut case.
See also: case

open-and-shut case

a simple and straightforward situation without complications. (Often said of criminal cases where the evidence is convincing.) The murder trial was an open-and-shut case. The defendant was caught with the murder weapon. Bob's death was an open-and-shut case of suicide. He left a suicide note.
See also: case