Used and loved by millions
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 evidence
Grammar usage guide and real-world examplesUSAGE SUMMARY
'insufficient evidence' is correct and usable in written English.
You can use it when there is not enough proof or data to support an argument or conclusion. Example sentence: The police determined there was insufficient evidence to pursue charges against the suspect.
✓ Grammatically correct
News & Media
Science
Wiki
Alternative expressions(20)
lack of substantiation
limited proof
inadequate proof
lack of evidence
scarcity of proof
meager evidence
dearth of evidence
paucity of evidence
absence of confirmation
unsubstantiated claims
weak evidence
insufficient proof
scarce evidence
insufficient rationale
unsatisfactory evidence
low evidence
ample evidence
scant evidence
satisfactory evidence
deficient evidence
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
59 human-written examples
Insufficient evidence.
News & Media
"Insufficient evidence," the committee ruled.
News & Media
They determined that there was insufficient evidence.
News & Media
And yet there is "insufficient evidence".
News & Media
There is insufficient evidence for a realistic prospect of conviction.
News & Media
But Moreira was acquitted due to insufficient evidence.
News & Media
But insufficient evidence led to the case being dropped.
News & Media
The charges were later dropped due to insufficient evidence.
News & Media
There is insufficient evidence to rebut these defenses.
News & Media
The case was dropped due to insufficient evidence.
News & Media
The department found "insufficient evidence" to support this, it said.
News & Media
Expert writing Tips
Best practice
When using "insufficient evidence", be specific about what kind of evidence is lacking and why it's necessary for a sound conclusion.
Common error
Avoid drawing definitive conclusions when you acknowledge "insufficient evidence". Instead, frame your statements as possibilities or hypotheses that require further investigation.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "insufficient evidence" functions as a noun phrase, often serving as the subject complement or object in a sentence. As Ludwig AI confirms, the phrase is grammatically correct and widely used. It identifies a state where the available proof or data is not adequate to support a claim or accusation.
Frequent in
News & Media
76%
Science
15%
Wiki
5%
Less common in
Formal & Business
2%
Encyclopedias
1%
Reference
1%
Ludwig's WRAP-UP
In summary, "insufficient evidence" is a grammatically sound and frequently used phrase, as confirmed by Ludwig AI, that serves to indicate a lack of adequate proof or support for a claim. Predominantly found in News & Media, Scientific and Wiki contexts, it maintains a neutral to formal tone. When writing, remember to be specific about the lacking evidence and avoid drawing definitive conclusions based on incomplete information. Consider using alternatives like "lack of substantiation" or "limited proof" depending on the nuance you want to convey. The phrase's prevalence across authoritative sources like The Guardian and The New York Times underscores its importance in objective discourse.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
lack of substantiation
Emphasizes the absence of support or proof for a claim.
limited proof
Highlights the scarcity of evidence available.
scarcity of proof
Stresses the rare or infrequent nature of the evidence.
inadequate proof
Focuses on the fact that the evidence is not good enough or of sufficient quality.
meager evidence
Suggests that the evidence is minimal and unimpressive.
dearth of evidence
Highlights a significant absence of evidence.
paucity of evidence
Similar to dearth, emphasizing the lack of evidence.
absence of confirmation
Focuses on the lack of confirming data or support.
unsubstantiated claims
Focuses on the fact that some assertions has no proof or evidence at all.
weak evidence
Highlights how strong is the proof and its quality
FAQs
How can I use "insufficient evidence" in a sentence?
You can use "insufficient evidence" to indicate that there is not enough proof or data to support a claim or conclusion. For example: "The charges were dropped due to "insufficient evidence"."
What are some alternatives to "insufficient evidence"?
Alternatives include "lack of substantiation", "limited proof", or "inadequate proof", depending on the specific context.
Is it appropriate to use "insufficient evidence" in formal writing?
Yes, "insufficient evidence" is appropriate for formal writing, especially in legal, academic, and professional contexts where objective assessment is crucial.
What's the difference between "insufficient evidence" and "lack of evidence"?
"Insufficient evidence" implies that some evidence exists, but it's not enough to support a conclusion, while "lack of evidence" suggests that there's virtually no evidence available.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
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