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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
a weak under
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a weak under" is not correct and does not convey a clear meaning in written English.
It may be intended to describe something that is weak or lacking support, but the phrase is incomplete and unclear. Example: "The structure had a weak under, leading to its eventual collapse."
⚠ May contain grammatical issues
News & Media
Science
Wiki
Alternative expressions(5)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
1 human-written examples
There is some discussion out there on durabilty and the plastic faceplates might be a weak under an onslaught of use.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
There, he took command of a weak (under-manned) brigade at the small town of Winterthur, in northern Switzerland.
Wiki
Perhaps it was a cultural limitation, a refusal to believe that in a weak and under-educated country like Italy, the daily bombardment of commercial TV stations, in the possession of a man like Berlusconi, would deeply change daily lives.
News & Media
This made it possible for Allied forces to fight the Axis powers on European and Asian fronts simultaneously, but it also meant that China, then a weak and under-resourced country, was completely ravaged.
News & Media
In the film, her role was consigned to a throw-away line, when Ruffalo dismisses the Phoenix as a weak and under-resourced rival that "nobody reads".
News & Media
Mutko's comments came a day after almost the entire Russia Under-18s ice hockey team were cut from next week's world championships and replaced with an apparently weaker under-17s squad.
News & Media
Mr. Icahn may have a weak case under bankruptcy law to enforce the contract.
News & Media
It took for ever.' 'Did you hear the thunder?' asks Donkey, and I suspect that she is not such a bad person, just a weak one under the influence of Dowager.
News & Media
Instead of a stable post-Yanukovych Ukraine, the Kremlin appears to prefer a weak country under an ever-present risk of falling apart or, as Mr Utkin puts it: "A Ukraine that is so occupied with its own internal problems that it doesn't have time for anything else".
News & Media
The addition of PCE shows a strong impact on the viscosity of concentrated kaolinite suspensions in alkaline solutions (pH = 8.3) but a weak effect under acidic conditions (pH = 3.4).
(A weak solution) Under the assumptions of Proposition 34, every function (f : [0,T] rightarrow L^p({{mathbb R}^{N}})) with properties (1)–(3) satisfies the properties (4) and (5) claimed in Proposition 34.
Expert writing Tips
Best practice
When describing something lacking support, replace "a weak under" with clearer phrases like "fragile foundation" or "unstable base" to improve clarity.
Common error
Avoid using "a weak under" in formal writing. It's not a recognized idiomatic expression, and can confuse your readers. Choose alternative, more precise language.
Source & Trust
82%
Authority and reliability
2.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a weak under" functions as an adjective phrase modifying a noun that is implied but not explicitly stated. It attempts to describe something that is deficient or unstable in its lower or supporting structure. Ludwig AI indicates that this phrasing is not standard English.
Frequent in
Science
34%
News & Media
33%
Wiki
33%
Less common in
Formal & Business
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "a weak under" is considered grammatically incorrect by Ludwig AI. While it appears in a small number of sources spanning news, science, and wiki categories, it lacks the grammatical correctness and consistent usage needed for formal contexts. Alternative phrases such as "fragile foundation", "feeble support", and "unstable base" offer clearer and more precise ways to express the intended meaning. It's advisable to avoid "a weak under" in favor of more established and easily understood language.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
feeble support
Emphasizes the inadequacy of the support system, suggesting it's insufficient to bear weight or pressure.
flimsy foundation
Highlights the poor quality and lack of strength in the support.
fragile foundation
Focuses on the base or support being easily broken or damaged, highlighting a lack of structural integrity.
tenuous support
Suggests a weak or shaky support that is likely to fail.
unstable base
Highlights the lack of stability in the foundation, indicating a potential for collapse or failure.
inadequate substructure
Focuses on the insufficiency of the underlying support to meet the required needs.
deficient substructure
Indicates a flaw or inadequacy in the underlying structure, suggesting it's not up to required standards.
precarious base
Highlights the instability and danger associated with the foundation.
vulnerable underpinning
Emphasizes the susceptibility of the base to damage or attack, suggesting a lack of protection.
compromised footing
Implies that the support has been weakened or damaged, making it unreliable.
FAQs
Is "a weak under" grammatically correct?
No, the phrase "a weak under" is not grammatically correct in standard English. It's better to use phrases like "fragile foundation" or "unstable base".
What are some alternatives to "a weak under"?
Depending on the context, you could use phrases such as "feeble support", "flimsy foundation", or "tenuous support" instead of "a weak under".
When is it appropriate to use the phrase "a weak under"?
Given that it is not grammatically correct and not in common use, it's best to avoid the phrase "a weak under" in formal or academic writing. There may be some specialized contexts where a similar phrasing is technically correct, but those cases are rare.
How can I ensure my writing is clear when describing something lacking support?
Instead of using potentially confusing phrases like "a weak under", focus on using precise language that directly describes the issue, such as "deficient substructure", "inadequate footing", or "vulnerable underpinning".
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
82%
Authority and reliability
2.5/5
Expert rating
Real-world application tested