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 doubtful
Grammar usage guide and real-world examplesUSAGE SUMMARY
"it is doubtful" is a correct and usable phrase in written English.
You can use it when expressing uncertainty or expressing doubt about something. For example, "It is doubtful that he will get the job due to his lack of experience."
✓ Grammatically correct
News & Media
Encyclopedias
Science
Alternative expressions(20)
it is questionable
it is uncertain
it is unlikely
it is improbable
it is dubious
it is suspect
it is debatable
it is far from certain
the likelihood is low
it is indeterminate
it is less likely
it is ugly
chances are slim
it's a long shot
it is suspicious
it does not seem so
there is uncertainty
it is problematical
it is unclear
it is impossible
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
It is doubtful whether doing this would achieve its purpose".
News & Media
However it is doubtful.
News & Media
But it is doubtful Agus will qualify.
News & Media
It is doubtful if Hammond tried that.
News & Media
It is doubtful he will quit.
News & Media
And it is doubtful that former Gov.
News & Media
It is doubtful he would have achieved acclaim without it.
News & Media
It is doubtful whether it ever had any real existence.
Encyclopedias
Yet it is doubtful that much will change.
News & Media
It is doubtful whether he even considered the possible repercussions.
News & Media
It is doubtful that Oreopithecus habitually stood erect.
Encyclopedias
Expert writing Tips
Best practice
Use "it is doubtful" to express a polite yet firm sense of skepticism about a statement or possibility. It's suitable for both formal and informal contexts.
Common error
While generally versatile, avoid overusing "it is doubtful" in extremely formal or academic writing. Alternatives like "it remains to be seen" or "the evidence is inconclusive" may offer a more nuanced and sophisticated tone.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "it is doubtful" serves as a hedging device, expressing a qualified assertion or a degree of uncertainty. Ludwig AI confirms this phrase is correct and usable in written English. It is used to soften a statement or express skepticism without making a direct contradiction.
Frequent in
News & Media
50%
Science
25%
Encyclopedias
20%
Less common in
Formal & Business
3%
Wiki
2%
Reference
0%
Ludwig's WRAP-UP
In summary, "it is doubtful" is a versatile phrase used to express uncertainty, skepticism, or polite disagreement across various contexts. Ludwig AI confirms its grammatical correctness and usability. Its neutral register makes it appropriate for both formal and informal settings, although it appears most frequently in news, scientific, and encyclopedic sources. When aiming for nuance, alternatives like "it is questionable" or "it is uncertain" can be considered. While widely applicable, overuse in highly formal academic writing should be avoided.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
it is questionable
Emphasizes uncertainty about the truth or validity of something.
it is uncertain
Focuses on the lack of definite knowledge about a situation.
it is improbable
Suggests that something is unlikely to happen or be true.
it is unlikely
Directly states the low probability of an event or fact.
it is dubious
Highlights the potential dishonesty or untrustworthiness of something.
it is suspect
Indicates that something is not as it appears and may be wrong.
it is debatable
Suggests the topic is open to argument or disagreement.
it is unconvinced
Expresses a lack of belief or persuasion.
it is far from certain
Emphasizes a high degree of uncertainty and lack of confidence.
the likelihood is low
Expresses a minimal probability of something happening.
FAQs
How to use "it is doubtful" in a sentence?
You can use "it is doubtful" to express uncertainty or skepticism about a particular outcome or situation. For example, "It is doubtful that the project will be completed on time."
What can I say instead of "it is doubtful"?
You can use alternatives like "it is questionable", "it is uncertain", or "it is unlikely" depending on the context.
Which is correct, "it is doubtful" or "it is doubtable"?
"It is doubtful" is the correct and commonly used phrase. "It is doubtable" is not standard English.
What's the difference between "it is doubtful" and "it is dubious"?
"It is doubtful" expresses general uncertainty or skepticism. "It is dubious" implies suspicion or a lack of trustworthiness. For example, "It is doubtful that he will arrive on time" versus "His claims about his past are dubious".
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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
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested