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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
a matter of conjecture
Grammar usage guide and real-world examplesUSAGE SUMMARY
"a matter of conjecture" is a correct and usable phrase in written English.
It is often used to suggest that something is uncertain or that further evidence or proof is needed. For example: "The origin of the painting is a matter of conjecture."
✓ Grammatically correct
News & Media
Academia
Science
Encyclopedias
Wiki
Alternative expressions(14)
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
60 human-written examples
His future is a matter of conjecture.
News & Media
This is a matter of conjecture.
News & Media
But this is a matter of conjecture.
Whether that is a record is a matter of conjecture.
News & Media
How far computers will go is a matter of conjecture.
News & Media
Whether that matters to Major is a matter of conjecture.
News & Media
This is less a matter of conjecture than of statistics.
News & Media
How far it has spread is for now a matter of conjecture.
News & Media
What happened to London over the next two centuries is a matter of conjecture.
Encyclopedias
For standing purposes, it's a matter of conjecture which firm is which.
News & Media
Why Lievens did not become something more than a skilled journeyman is a matter of conjecture.
News & Media
Expert writing Tips
Best practice
Use "a matter of conjecture" when you want to indicate that a statement or situation is based on speculation rather than concrete evidence. It adds a layer of scholarly or formal tone to your writing.
Common error
Avoid presenting something that is "a matter of conjecture" as an established fact. Always ensure to frame it with appropriate language that indicates uncertainty or speculation.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a matter of conjecture" functions as a noun phrase that typically serves as a subject complement or appositive. It describes a situation or idea characterized by uncertainty and speculation. Ludwig AI indicates the phrase is correct and usable.
Frequent in
News & Media
38%
Science
22%
Academia
16%
Less common in
Encyclopedias
10%
Wiki
8%
Formal & Business
6%
Ludwig's WRAP-UP
In summary, "a matter of conjecture" is a phrase used to indicate that something is uncertain or based on speculation rather than concrete evidence. Ludwig AI confirms its correctness and usability. It is frequently found in formal contexts such as news, academia, and scientific writing, as well as encyclopedias and wikis. Alternative phrases include "open to speculation" and "subject to speculation". When using this phrase, avoid presenting it as a definitive fact and ensure the context clearly indicates uncertainty.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
A matter of speculation
Very close synonym, but using “speculation” instead of “conjecture”.
Subject to speculation
Highlights that the topic is currently being considered speculatively.
A question of speculation
Frames it as a debate or uncertainty.
Open to speculation
Emphasizes that the topic is subject to different interpretations and opinions.
Up for debate
Focuses on the debatable nature of the topic, implying different viewpoints.
Conjectural
Adjective form, emphasizing the speculative nature.
Open to interpretation
Highlights the subjective aspect, where meaning depends on individual understanding.
Hypothetical
Emphasizes that the statement is based on a hypothesis, rather than proven facts.
Uncertain
Directly states that the information is not definite or reliable.
A matter of guesswork
Emphasizes the lack of solid information and reliance on guessing.
FAQs
How can I use "a matter of conjecture" in a sentence?
You can use "a matter of conjecture" to indicate that something is based on speculation rather than solid proof. For example, "The motives behind his actions remain "a matter of conjecture"".
What phrases can I use instead of "a matter of conjecture"?
Alternatives include "open to speculation", "subject to speculation", or "a question of speculation" depending on the specific nuance you want to convey.
Is it appropriate to use "a matter of conjecture" in formal writing?
Yes, "a matter of conjecture" is suitable for formal writing. It adds a level of sophistication and indicates careful consideration of evidence.
What is the difference between "a matter of conjecture" and "a matter of fact"?
"A matter of conjecture" implies uncertainty and speculation, while "a matter of fact" indicates something that is definitively true and supported by evidence. They represent opposite ends of the certainty spectrum.
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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
4.5/5
Expert rating
Real-world application tested