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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
it was unsound
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "it was unsound" is correct and usable in written English.
You can use it to describe something that is not based on good reasoning, logic, or is flawed in some way. Example: "The decision to invest in that company was unsound, as their financial reports were misleading."
✓ Grammatically correct
News & Media
Science
Encyclopedias
Wiki
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
It was unsound theory, they insisted.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
58 human-written examples
It is unsound.
News & Media
Some will argue that it is unsound to provide different versions of journalism in print and online.
News & Media
The Mussolini man-crush so upset James Thurber that he wrote, 23 years after Rogers's death, that Rogers's "irresponsible observations" showed that "political satire can be as dangerous as an unguided missile when it is unsound".
News & Media
But, of course, in order to show that intelligent design is not good science, and therefore that it's unsound pedagogy to be touting it as an alternative to Darwinian evolution, it helps to remind people how broadly supported the theory of evolution is by recent developments across the sciences — in genetics, for example, as well as in paleontology.
News & Media
It is "unsound" and "incompetent".Some readers may be sceptical of Mr Jack's left-wing conservatism, and wonder whether the economic changes and "rootless wealth" he seems to lament did not bring some benefits alongside the dodgy privatisations and "slapdash new primitivism of shopping malls and car parks".
News & Media
A more satisfying response to the ontological argument would, of course, show not merely that the ontological argument is unsound, but also precisely why it is unsound.
Science
The ontological argument is, of course, a notable exception, and, consequently, the advocate of the argument from evil certainly needs to be able to show that it is unsound.
Science
These findings indicate that it is unsound to use exogenous H2O2 to simulate oxidative stress induced by elevated dissolved oxygen levels since the response to each might be quite different, both in terms of enzymatic (defensive) responses and in terms of culture morphology.
Science
In my opinion it is unsound pedagogically to use a teaching model for younger learners from economically stressed neighborhoods even if it is being successfully employed for mature students who have already established learning styles and have enriched educational backgrounds from privilege or exceptional opportunity.
News & Media
It is unsound because, at most, it is a principle of courtesy that we should reward all those who have benefited us, while reciprocity is supposed to be a principle of justice.
Science
Expert writing Tips
Best practice
Use "it was unsound" when you want to express that a theory, argument, or structure is flawed in its reasoning or construction.
Common error
While "it was unsound" is generally acceptable, avoid overusing it in highly formal writing. Opt for more precise alternatives like "the methodology was flawed" or "the argument lacked empirical support" to convey your critique with greater specificity.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "it was unsound" functions as a subject complement, describing a quality or state of the subject (it). It asserts that something possessed a flaw, weakness, or lack of solid foundation. According to Ludwig AI, the phrase is correct and usable in written English.
Frequent in
News & Media
43%
Science
33%
Encyclopedias
7%
Less common in
Wiki
7%
Formal & Business
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, the phrase "it was unsound" is a versatile expression used to convey that something is flawed, illogical, or lacks a solid foundation. According to Ludwig AI, it is grammatically correct and suitable for various contexts. It functions as a subject complement, primarily serving to express criticism or disagreement. While it maintains a neutral to formal tone, its usage is more frequent in contexts like News & Media, Science, and Encyclopedias. For those aiming for more precision, alternatives such as "it was flawed" or "it was baseless" can be used.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
it was flawed
Emphasizes the presence of defects or imperfections.
it was untenable
Highlights the indefensibility or impossibility of maintaining a position or argument.
it was illogical
Focuses on the lack of logical consistency or reasoning.
it was baseless
Indicates the absence of a solid foundation or evidence.
it was indefensible
Stresses the inability to justify or defend something.
it was invalid
Highlights that something is not factual, legally acceptable, or correctly reasoned.
it was unreasonable
Suggests a lack of sound judgment or fairness.
it was erroneous
Emphasizes that something contains errors or inaccuracies.
it was misguided
Focuses on a flaw in direction or planning.
it was fallacious
Highlights the use of deceptive or misleading arguments.
FAQs
How can I use "it was unsound" in a sentence?
You can use "it was unsound" to indicate that something is flawed or not well-founded. For example: "The economic theory "it was unsound", leading to poor policy decisions."
What can I say instead of "it was unsound"?
Alternatives include "it was flawed", "it was invalid", or "it was baseless", depending on the specific context.
Which is correct, "it was unsound" or "it is unsound"?
"It was unsound" refers to something that was unsound in the past, while "it is unsound" refers to something that is currently unsound. The correct choice depends on the intended time frame.
What's the difference between "it was unsound" and "it was not sound"?
"It was unsound" implies a fundamental flaw or weakness, while "it was not sound" simply means it lacked the quality of being sound. "It was unsound" is a stronger statement indicating inherent deficiency.
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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
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested