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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
without sound reasoning
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "without sound reasoning" is correct and usable in written English. You can use it to describe a situation or argument that lacks logical justification or rational basis. For example: "His decision was made without sound reasoning, leading to poor outcomes." Alternative expressions include "lacking logical justification" and "without logical basis."
✓ 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
2 human-written examples
Some people ask, not without sound reasoning, how anyone can feel any better knowing that "only" about 3,000 people died.
News & Media
But not without sound reasoning.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
56 human-written examples
It is difficult to explain why one investigated a normative issue without explaining the meaning of the issue; the common method is logic and sound reasoning and it is applied throughout the research, and 'results' will only be considered as such if they are meaningful.
Sound reasoning does not find an answer".
News & Media
He criticised the US authorities' persistence in the case, saying: "Where is the sound reasoning?
News & Media
But of course, people's beliefs are rarely determined by good evidence and sound reasoning alone.
News & Media
Are there some kinds of sound reasoning that are neither deductive nor inductive?
Encyclopedias
Anyway, I figured I'd ask to see the women, make sure they were O.K. J.C.: Sound reasoning.
News & Media
"Paula's always pushed buttons," her mother said, but she has always backed up her contrarian positions with sound reasoning.
News & Media
Of course, doing it absolutely straight is sound reasoning, but it's actually not played all that straight.
News & Media
S. & P. claimed all of its ratings were independent and made in good faith, based on sound reasoning.
News & Media
Expert writing Tips
Best practice
Incorporate this phrase into academic or journalistic writing to maintain a professional and objective tone while offering a critique.
Common error
Do not use phrases like "without sound logical reasoning" or "without rational sound reasoning". Since "sound reasoning" inherently implies a logical and rational process, adding these adjectives creates unnecessary wordiness and dilutes the impact of your statement.
Source & Trust
89%
Authority and reliability
4.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "without sound reasoning" functions primarily as an adverbial or adjectival modifier. It qualifies how an action was performed or describes the state of an argument. According to Ludwig, the phrase follows standard English syntactic patterns where the preposition "without" governs a noun phrase headed by "reasoning", which is further qualified by the adjective "sound".
Frequent in
News & Media
55%
Science
25%
Encyclopedias
10%
Less common in
Formal & Business
5%
Wiki
3%
Social Media
2%
Ludwig's WRAP-UP
The phrase "without sound reasoning" is an essential tool for writers who need to articulate a lack of logical foundation in a professional manner. Ludwig AI highlights its frequent use in top-tier journalism and scientific research, confirming that it is both grammatically correct and rhetorically effective. By using this phrase, you move beyond simple disagreement and provide a targeted critique of the underlying thought process. It is highly recommended for academic essays, legal briefs, and editorial commentary where clarity and intellectual rigor are paramount.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
lacking logical justification
Uses more formal vocabulary suitable for academic or legal contexts
without rational basis
Emphasizes the absence of a fundamental principle or starting point
not based on sound logic
Swaps the noun reasoning for logic, which is slightly more technical
with no reasonable grounds
Often used in legal or procedural contexts to describe decisions
devoid of reason
Suggests a more total and perhaps more dramatic absence of thought
unsubstantiated by logic
Focuses on the lack of supporting evidence or proof
without valid explanation
Focuses on the communicative failure rather than the internal logic
without any intellectual foundation
Adds an extra layer of critique regarding the depth of the argument
baselessly
A more concise and aggressive way to dismiss an argument
arbitrarily
A single-word adverb that describes an action taken without logic
FAQs
How to use "without sound reasoning" in a sentence?
You can use it as an adverbial phrase to modify an action. For example: "The committee rejected the proposal "without sound reasoning", leaving the staff confused about the future of the project."
What can I say instead of "without sound reasoning"?
Depending on the context, you can use phrases like "<a href="/s/lacking+logical+justification" target="_blank" rel="alternative">lacking logical justification", "<a href="/s/without+rational+basis" target="_blank" rel="alternative">without rational basis", or "<a href="/s/arbitrarily" target="_blank" rel="alternative">arbitrarily".
Is "without sound reasoning" considered formal English?
Yes, it is a formal and neutral expression. It is frequently used in high-level publications such as The New York Times and scientific journals like Science Magazine, making it appropriate for professional and academic writing.
What is the difference between "without sound reasoning" and "unreasonably"?
While both imply a lack of reason, "without sound reasoning" specifically critiques the logical steps taken to reach a conclusion, whereas "<a href="/s/unreasonably" target="_blank" rel="alternative">unreasonably" often refers to a person's behavior or an excessive demand.
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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
89%
Authority and reliability
4.8/5
Expert rating
Real-world application tested