The phrase "able to hold water" is an idiomatic expression that conveys the idea of something being plausible, reasonable, or believable. It originates from the literal meaning of a container's ability to retain liquid without leakage. In a figurative sense, when an argument, explanation, or statement "holds water," it means it is logically coherent and credible, without any inconsistencies or contradictions.
When a claim, theory, or justification can "hold water," it implies that it has sufficient evidence or rationale to stand up to scrutiny or logical examination. This idiom is often used in discussions or debates to assess the validity or reliability of someone's position or an explanation put forth. When an idea or explanation "holds water," it not only appears logical but also provides substantial support or reasoning to give it credibility.
Conversely, if an argument or explanation does not "hold water," it means it lacks logical consistency, evidence, or fails to withstand critical examination. In this context, the phrase implies that the premise or supporting details of the argument are inadequate, weak, or invalid.
Overall, "able to hold water" denotes a figurative evaluation of the plausibility, coherence, and credibility of an argument or explanation, based on its logical consistency and supporting evidence.
