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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 is sound
Grammar usage guide and real-world examplesUSAGE SUMMARY
"it is sound" is correct and usable in written English.
You can use it to describe something that is wise or logical. For example: "Her reasoning is sound; she has a well thought-out plan."
✓ Grammatically correct
News & Media
Science
Encyclopedias
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
51 human-written examples
Interpreters disagree about exactly how to parse this argument, whether it is sound, and its importance to Hume's project.
Science
If its steps are interpreted figuratively, it is sound.
Science
It is sound advice.
News & Media
It is sound policy.
News & Media
It is sound medicine and sound economics.
News & Media
It is sound barkeep wisdom.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
8 human-written examples
It's sound advice.
News & Media
And rationally, it's sound.
News & Media
It was sound advice in 1942.
News & Media
"It was sound and fury, signifying nothing".
News & Media
It's sound advice, with exceptions.
News & Media
Expert writing Tips
Best practice
Use "it is sound" to emphasize the logical validity or factual correctness of an argument, plan, or piece of advice. It is particularly effective when you want to convey that something has been thoroughly vetted and found to be reasonable and reliable.
Common error
While "it is sound" is perfectly acceptable, avoid overusing it in very informal conversations. In casual settings, consider using simpler alternatives like "that makes sense" or "that's a good idea" to maintain a more relaxed tone.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "it is sound" functions primarily as a commentary or assessment, indicating that something—an argument, a decision, a policy—is logically valid, reasonable, or well-founded. According to Ludwig AI, the phrase is grammatically correct. The provided examples showcase its use across diverse domains.
Frequent in
News & Media
58%
Science
34%
Encyclopedias
4%
Less common in
Wiki
2%
Formal & Business
1%
Social Media
1%
Ludwig's WRAP-UP
In summary, the phrase "it is sound" is a grammatically correct and commonly used expression to indicate that something is logical, reasonable, or well-founded. As Ludwig AI states, the phrase is suitable for conveying assurance and confidence in diverse domains. Predominantly found in News & Media and Scientific contexts, its register leans towards neutral to formal, making it appropriate for scenarios emphasizing clear, logical reasoning. When aiming for a more casual tone, consider alternatives like "that makes sense" or "that's a good idea". Remember to leverage "it is sound" when you want to underscore the reliability and correctness of an argument or plan.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
it is valid
Focuses on the logical correctness of a statement or argument, similar to being sound.
it is reasonable
Emphasizes the logical and justifiable nature of something, similar to being sound in judgment.
it is logical
Highlights the adherence to logical principles, much like the soundness of an argument.
it is well-founded
Implies a solid basis or justification, close to the idea of being sound.
it is justified
Indicates that something is warranted or has sufficient reason behind it, aligning with the concept of soundness.
it is correct
Simply states the accuracy or truthfulness of something, echoing the idea of soundness in a basic sense.
it is right
Suggests moral or factual correctness, similar to soundness in principle.
it is advisable
Indicates that a course of action is sensible and recommended, relating to the sound nature of advice.
it is sensible
Highlights the practicality and good sense of something, similar to being sound in decision-making.
it is judicious
Emphasizes the careful and thoughtful nature of a decision or action, much like the consideration involved in soundness.
FAQs
How can I use "it is sound" in a sentence?
You can use "it is sound" to indicate that something is logical, reasonable, or well-founded. For instance, "The doctor's advice "it is sound", given the patient's condition" or "The business plan "it is sound" and likely to succeed".
What are some alternatives to "it is sound"?
Depending on the context, you can use alternatives such as "it is valid", "it is reasonable", "it is logical", or "it is well-founded".
Is it more appropriate to use "it is sound" or "it sounds good"?
"It is sound" emphasizes the logical validity or factual correctness of something, whereas "it sounds good" implies that something is pleasing or agreeable. Use ""it is sound"" when discussing reason and evidence, and "it sounds good" when discussing aesthetics or personal preferences.
Can "it is sound" be used to describe a person's judgment?
Yes, ""it is sound"" can describe a person's judgment, implying that their decisions or reasoning are logical and well-considered. For example, "Her judgment in this matter "it is sound", so we should trust her decision".
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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
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested