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
questionable authenticity
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "questionable authenticity" is correct and usable in written English.
It can be used when discussing the reliability or credibility of something, such as a document, artwork, or claim. Example: "The painting was deemed to have questionable authenticity, raising doubts about its true origin."
✓ Grammatically correct
News & Media
Science
Encyclopedias
Wiki
Academia
Alternative expressions(1)
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
17 human-written examples
(That word means "of questionable authenticity").
News & Media
Dr. Weihaupt said he ignored the Piri Re'is map as of questionable authenticity.
News & Media
Working with the Giuseppe Verdi Orchestra and Chorus of Milan, Mr. Chailly presents sundry works, including scores of questionable authenticity.
News & Media
By June, Etsy had to bring down the hammer on sellers peddling wares of questionable authenticity or indeed existence, such as magic spells.
News & Media
In this case, the participants evaluated high-status people who had questionable authenticity — however, some of the high-status people appeared to like art by artists of high authenticity, some liked art by artists of low authenticity.
IRIDIUM 1650 Broadway, at 51st St. (212-582-2121) — Jan. 3-6: Dr. Lonnie Smith's academic credentials and Indian headgear may be of questionable authenticity, but his skill at the Hammond B3 organ is undeniable.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
43 human-written examples
According to ZDNet, "a striking number of Google+ accounts" were deleted over the weekend because of questionable profile authenticity.
News & Media
At times, agents will advise the owner that the work is a counterfeit, which implicitly puts that person on notice that the piece should not be represented as authentic in the event that it is sold, but works of questionable ownership and authenticity "tend to pass through various hands" before law enforcement is alerted that a crime has taken place, she added.
News & Media
Like Welles's F for Fake, it deals with questionable notions of authenticity in art.
News & Media
We're in an age of questionable social media authenticity.
News & Media
It's one of several moments where the book's much-vaunted commitment to authenticity seems questionable.
News & Media
Expert writing Tips
Best practice
When using "questionable authenticity", clearly state the reasons for doubt or provide evidence supporting the questioning of authenticity to strengthen your argument.
Common error
Avoid using "questionable authenticity" without providing any supporting information or reasons for the doubt. This can weaken your statement and make it seem biased or unfounded.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "questionable authenticity" functions as a descriptive adjective phrase modifying a noun. It serves to attribute a state of doubt or uncertainty to the noun it modifies, suggesting that the genuineness or reliability of the object in question is not assured. As Ludwig AI confirms, the phrase is grammatically correct and usable.
Frequent in
News & Media
59%
Science
18%
Wiki
12%
Less common in
Encyclopedias
6%
Academia
6%
Formal & Business
0%
Ludwig's WRAP-UP
In summary, the phrase "questionable authenticity" is a grammatically sound and commonly used expression to indicate doubt or uncertainty about the genuineness of something. Ludwig AI confirms its correctness and usability. Predominantly found in news and media, scientific, and wiki contexts, it serves to raise skepticism and prompt further investigation. While suitable for formal and informal writing, it's best employed with supporting evidence to justify the doubt. Alternatives like "dubious authenticity" and "suspect authenticity" can be used to convey similar meanings with slightly different nuances.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
dubious authenticity
Replaces "questionable" with "dubious", suggesting a stronger sense of doubt.
suspect authenticity
Uses "suspect" instead of "questionable", implying that there are reasons to believe the authenticity is not genuine.
uncertain authenticity
Emphasizes the lack of certainty regarding the authenticity.
doubtful authenticity
Similar to "uncertain authenticity", highlighting the presence of doubt.
contested authenticity
Suggests that the authenticity is being actively disputed.
disputed authenticity
Similar to "contested authenticity", emphasizing a disagreement over the authenticity.
dubious genuineness
Replaces both "questionable" and "authenticity" with synonyms, slightly altering the tone.
suspect validity
Shifts focus from authenticity to validity, implying a concern about the correctness or soundness.
tenuous authenticity
Suggests that the authenticity is weak or flimsy.
arguable authenticity
Indicates that the authenticity is open to debate or argument.
FAQs
How can I use "questionable authenticity" in a sentence?
You can use "questionable authenticity" to express doubts about the genuineness of something. For example, "The document's "questionable authenticity" raised concerns among the historians".
What are some alternatives to "questionable authenticity"?
Alternatives include phrases like "dubious authenticity", "suspect authenticity", or "uncertain authenticity", depending on the nuance you want to convey.
What does "questionable authenticity" imply?
It implies that there are reasons to doubt whether something is genuine or original. The degree of doubt can vary depending on the context.
Is it appropriate to use "questionable authenticity" in formal writing?
Yes, it is appropriate to use "questionable authenticity" in formal writing as long as you provide a clear and justified basis for questioning the authenticity.
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
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested