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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
insufficient rationale
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "insufficient rationale" is correct and usable in written English.
It can be used when discussing a lack of adequate reasoning or justification for a decision, argument, or action. Example: "The committee rejected the proposal due to an insufficient rationale for the requested budget increase."
✓ Grammatically correct
News & Media
Science
Alternative expressions(20)
inadequate justification
unconvincing explanation
poorly supported argument
unsound logic
unsubstantiated grounds
insufficient explanation
adequate rationale
insufficient reason
insufficient justification
ample rationale
substantial rationale
short rationale
insufficient proof
enough rationale
a mere reasoning
simple deduction
flawed logic
inadequate reasoning
brief explanation
concise explanation
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
"There's a danger if the Republican Party is only seen as the party that cuts government spending, because that is a necessary but insufficient rationale for a majority party," he said.
News & Media
Unclear risk of bias was ascribed in cases where there may be a risk of bias, but there is either: insufficient information to assess whether an important risk of bias exists; or insufficient rationale or evidence that an identified problem will introduce bias.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
"We find the rationale insufficient," said Mr. Flood, one of the church's defenders.
News & Media
In line with the principles of biomedical ethics, 51 however, this study underscores that this rationale is insufficient to recommend a potentially painful treatment for infants and small children who lack the competence to provide informed consent.
Science
Category C The off-label use medication has a reasonable therapeutic rationale but here is insufficient evidence to thoroughly allay concerns about its safety, efficacy, and cost-effectiveness for the innovative use, yet it is not considered a clinical research.
In a dissenting opinion, Justice Stephen G. Breyer characterized the decision as an "oversimplification" of a complex regulatory issue that "gives insufficient weight to the government's regulatory rationale, and too readily assumes the existence of practical alternatives".
News & Media
Many of the articles reviewed contained insufficient details on the approach used and the rationale for that approach.
In one strand of the literature, the market failure rationale is considered as a valid although insufficient justification for policy intervention that therefore needs to be complemented by the arguments put forward by the systemic failure rationale.
Science
The first is the market failure rationale, which is considered to be valid although provides insufficient justification for policy intervention.
Science
The basic rationale has rested on traditional market failure arguments emphasizing insufficient incentives for individual firms to undertake risky and imperfectly appropriable research at the socially optimal level.
The rationale of these conflicting findings is unclear, although an insufficient statistical power in the studies carried out by Gold, [ 26] Schorzman,[ 13] and Houghton [ 28] could explain this in view of the small numbers involved.
Science
Expert writing Tips
Best practice
When criticizing a decision or proposal, clearly articulate why the "insufficient rationale" is problematic. Provide specific examples or counter-arguments to strengthen your critique.
Common error
Avoid simply stating that the rationale is "insufficient" without explaining how it falls short. Provide concrete details to support your assessment and avoid broad, unsubstantiated claims.
Source & Trust
86%
Authority and reliability
4.3/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "insufficient rationale" functions as a noun phrase where "insufficient" modifies the noun "rationale". It is used to describe a situation where the reasoning or justification provided is inadequate or lacking. As shown by Ludwig, it indicates a deficiency in the reasoning behind a decision or action.
Frequent in
Science
50%
News & Media
50%
Formal & Business
0%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "insufficient rationale" is used to describe a situation where the reasoning or justification for something is inadequate. Ludwig AI indicates that the phrase is grammatically correct and usable in written English. It appears most frequently in scientific and news contexts. When using this phrase, ensure you provide clear reasons why the rationale is insufficient to strengthen your argument. Alternatives include "inadequate justification" and "weak reasoning". Avoiding simple statements of insufficiency without further explanation is essential for effective communication.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
inadequate justification
Emphasizes the lack of sufficient support or defense for an action or decision.
weak reasoning
Focuses on the flawed or unconvincing nature of the logic used.
unconvincing explanation
Highlights that the provided explanation fails to persuade or satisfy.
poorly supported argument
Indicates that the argument lacks sufficient evidence or reasoning.
flimsy basis
Suggests that the foundation or grounds for something are weak and unreliable.
tenuous justification
Implies that the justification is weak, questionable, or barely sufficient.
unsound logic
Highlights the flawed or invalid reasoning used.
deficient reasoning
Emphasizes that the reasoning is lacking or incomplete.
lacking a sound basis
Points out the absence of a solid or reliable foundation.
unsubstantiated grounds
Highlights that the grounds or reasons are not supported by evidence.
FAQs
How can I use "insufficient rationale" in a sentence?
You can use "insufficient rationale" to express that the reasons or justification provided for something are not adequate or convincing. For example, "The committee rejected the proposal due to an insufficient rationale."
What are some alternatives to "insufficient rationale"?
Some alternatives to "insufficient rationale" include "inadequate justification", "weak reasoning", or "unconvincing explanation".
Is it better to say "insufficient rationale" or "lack of rationale"?
"Insufficient rationale" implies that there is some reasoning present, but it's not good enough. "Lack of rationale" suggests there is no reasoning at all. Choose the phrase that more accurately reflects the situation.
What makes a rationale "insufficient"?
A rationale is considered "insufficient" when it lacks supporting evidence, contains logical flaws, fails to address key concerns, or is simply unpersuasive in the given context.
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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
86%
Authority and reliability
4.3/5
Expert rating
Real-world application tested