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
it is dubious
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "it is dubious" is correct and can be used in written English.
It means that something is questionable or doubtful. You can use this phrase when expressing uncertainty or doubt about something. For example: "It is dubious whether she will be able to finish the project on time." This sentence suggests that there is doubt about the person's ability to complete the project within the given timeframe. Another example could be: "The validity of his argument is dubious." This means that the credibility or truthfulness of his argument is questionable. Overall, the phrase "it is dubious" is a concise and effective way to express skepticism or doubt about something in written English.
✓ Grammatically correct
News & Media
Science
Academia
Alternative expressions(20)
it is questionable
it is doubtful
it is uncertain
it is open to doubt
it is suspect
there are doubts about it
it is arguable
it is contestable
it is shady
it is disputable
it is murky
it is sceptical
it is debatable
it is equivocal
it is unsure
it is controversial
it is objectionable
it is embarrassing
it is tangible
it is humiliating
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
40 human-written examples
Furthermore, the reliability of the test is questionable because "it is dubious whether it reaches sufficiently clear conclusions".
News & Media
Besides, a presidential strategy is half-baked if its author decides it is dubious after its first collision with difficulty.
News & Media
Sberbank has a state guarantee behind its deposits—at least in theory (the legal mechanism for it is dubious).
News & Media
It is dubious history and only intermittently successful drama.
News & Media
It is dubious that the US played a hands-off role.
News & Media
The animated movie is a good introduction to Khmer history, although some of it is dubious.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
20 human-written examples
It's dubious.
Academia
It's dubious booty.
News & Media
It was dubious to say the very least".
News & Media
And it was dubious, to say the least.
News & Media
Were hard drugs decriminalised, it's dubious that consumption would appreciably rise.
News & Media
Expert writing Tips
Best practice
Use "it is dubious" to express a polite but firm skepticism. It's suitable when you want to question something without being overly confrontational.
Common error
While versatile, "it is dubious" can sound understated in highly formal or academic writing. Opt for stronger, more precise language to articulate specific concerns.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "it is dubious" functions as an evaluative statement, expressing uncertainty or skepticism about a particular claim or situation. As Ludwig AI confirms, it's a way to question something without necessarily rejecting it outright. The examples showcase its use across various domains to introduce doubt.
Frequent in
News & Media
50%
Science
35%
Academia
10%
Less common in
Formal & Business
3%
Wiki
1%
Reference
1%
Ludwig's WRAP-UP
In summary, "it is dubious" is a versatile phrase used to express doubt or skepticism, as confirmed by Ludwig AI. It is grammatically correct and commonly found in news, science, and academic contexts. While suitable for various situations, more formal language may be preferred in academic writing. Related phrases like "it is questionable" and "it is doubtful" offer similar nuances. When using this phrase, aim for a polite yet firm tone. Overall, "it is dubious" serves as a valuable tool for expressing nuanced skepticism in written English.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
it is questionable
Replaces "dubious" with "questionable", maintaining a similar level of uncertainty but focusing on the aspect of being open to question.
it is doubtful
Substitutes "dubious" with "doubtful", offering a direct synonym that emphasizes a lack of certainty.
it is uncertain
Replaces "dubious" with "uncertain", highlighting the lack of definitive knowledge or predictability.
it is open to doubt
Expresses the uncertainty by explicitly stating that the matter is "open to doubt".
it is suspect
Uses "suspect" instead of "dubious", suggesting a degree of distrust or suspicion.
there are doubts about it
Shifts the sentence structure to emphasize the existence of doubts.
the matter is in doubt
Presents the situation as being generally doubtful or unresolved.
it is arguable
Changes the focus to the idea that something can be argued against, implying that it isn't definitive.
it is contestable
Similar to "arguable" but emphasizing the potential for dispute or challenge.
it raises questions
Indicates that something is not entirely clear and requires further investigation.
FAQs
How can I use "it is dubious" in a sentence?
You can use "it is dubious" to express uncertainty or doubt about a claim, statement, or situation. For example, "it is dubious whether the project will be completed on time."
What are some alternatives to "it is dubious"?
Alternatives include "it is questionable", "it is doubtful", or "it is uncertain", depending on the specific nuance you want to convey.
Is "it is dubious" formal or informal?
"It is dubious" is generally considered neutral to slightly formal. It's suitable for various contexts, but more formal alternatives might be preferred in academic writing.
What does "it is dubious" imply?
It implies that something is not likely to be true or reliable, suggesting a degree of skepticism or doubt. The strength of the doubt can vary depending on the context.
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
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested