not hold water

not hold water

To not be or not appear to be true, verifiable, or able to be supported by facts. The image is of a container with holes in it—a metaphor for a position or argument containing "holes" (errors or gaps in reasoning). I'm afraid that excuse just doesn't hold water with me—you still should have had plenty of time to complete the assignment and print it. That old claim has been debunked so many time that it just does not hold water any more.
See also: hold, not, water

not hold water

 
1. Lit. [of a container] not able to contain water without leaking. This old wading pool won't hold water any longer.
2. Fig. not able to be proved; not correct or true. Jack's story won't hold water. It sounds too unlikely. The police's theory will not hold water. The suspect has an ironclad alibi.
See also: hold, not, water

won't hold water

to be inadequate, insubstantial, or ill-conceived. Sorry, your ideas won't hold water. Nice try, though. The prosecution's case wouldn't hold water, so the defendant was released.
See also: hold, water

not hold water

COMMON If a theory or an argument does not hold water, you can prove that it is wrong. That explanation does not hold water, according to senior intelligence sources. It doesn't really matter that not all of the film's arguments hold water. Note: You can also say that a theory or an argument holds water, meaning that it is true or right. If these arguments hold water, then we may have to rethink our policy.
See also: hold, not, water
References in classic literature ?
Other birds, said Solomon, omitted to line their nests with mud, and as a result they did not hold water. Here he cocked his head as if he had used an unanswerable argument; but, unfortunately, a Mrs.
The legislature intended to nip the evil in the bud and rightly so given the inflammatory potential of the crime, the verdict emphasised, adding that when arrested red handed, objection over non-association of public witnesses to confirm the possession did not hold water either.
An MCA has claimed that the county chief's reasons for calling for the disbandment of the devolved unit do not hold water. The ward representative, who is a member of the assembly's Budget committee, said the county assembly's refusal to allow the governor to spend fuel levy to buy road construction equipment is the genesis of the problem.
Magistrate Maofi further said the objector's argument that Advocate Boko was residing in Tlokweng because they had seen some confidential information from banks and BURS did not hold water, adding that they could have asked him in person before taking the route that they took.
Summary: The leaked memos have offered a lot of fodder for gossip, but the observations of Kim Darroch do not hold water.
Councillor Owen said: "They (Born Free) would be willing to work with the council to offer life-long care, so this statement that says they will be put to sleep simply does not hold water. It really doesn't.
As a team, though, they failed to gel and the claims from James Maddison and Dean Henderson that they are a better side than France and Romania - who have both reached the semi-finals - do not hold water. Boothroyd suggested the assertions were bravado having just been eliminated but there is a strong argument to say confidence boiled over into arrogance.
' The story of the defendant of being sent to the EFCC because he did not pay a bribe to the police could not hold water, he lied to the court, I do not believe the evidence of the defendant, the prosecution has proved this case beyond a reasonable doubt, I hereby convicted the defendant as charged.'
The toxic algae argument does not hold water along the Matsu coastline because the sea sparkles have not caused the algae to starve the water of oxygen or led to the death of marine life, he contended.
The call by the Minority, saying the New Patriotic Party (NPP) government has borrowed GHS 80billion within two years since being in office does not hold water and is a mere plot to mislead Ghanaians, the Minister stated.
If he had been wrong about the rapture, what else about his faith might not hold water?
The United States finds it ever more difficult to find excuses for its presence in Syrian territory without the proper permission from the country's government, while its statements about the region's protection from terrorism do not hold water. The government forces "are capable of resisting any terrorists on their own," he added.
The bear thesis on the June 6 Valrox Phase 2 year three update readout "simply does not hold water," Raymond tells investors in a research note titled "Everyone Just Take a Breath; Remain Confident in Valrox After Management Dinner." The bear thesis centers around management seeing regular updates to the data, but the company took pains to explain the blinding protocols in place and insist it has been blinded since the two year update, says the analyst.
Your claims about the weather and the dam do not hold water because in complete contrast to your failure, your counterpart in the west zone Maynilad has continued serving their customers, and adding insult to your injury they are now bailing you out by giving you water.
Datuk Seri Najib Razak's claim that he was misled by the alleged mastermind of the 1Malaysia Development Bhd (1MDB) scandal, Low Taek Jho, does not hold water, DAP's Lim Kit Siang said today.