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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
is doubtful whether
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "is doubtful whether" is correct and usable in written English.
It can be used when expressing uncertainty about a particular situation or outcome. Example: "It is doubtful whether the event will take place due to the ongoing weather conditions."
✓ Grammatically correct
News & Media
Encyclopedias
Science
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
It is doubtful whether it ever had any real existence.
Encyclopedias
Alas, it is doubtful whether many Australians enjoyed the show.
News & Media
It is doubtful whether he even considered the possible repercussions.
News & Media
It is doubtful whether the admiration goes two ways.
News & Media
It is doubtful whether Cole will play again this season.
News & Media
It is doubtful whether doing this would achieve its purpose".
News & Media
However, it is doubtful whether he can actually win the election, rather than just saving seats.
News & Media
But it is doubtful whether this sort of violence can be stopped.
News & Media
Certainly it is doubtful whether added manpower does much to deter terrorist attempts.
News & Media
The Foreign Ministry said, "It is doubtful whether this is how justice will be rendered".
News & Media
It is doubtful whether a replacement could make much difference in practical terms.
News & Media
Expert writing Tips
Best practice
Use "is doubtful whether" to express uncertainty or skepticism, especially when the outcome is unclear or the evidence is not conclusive. For instance, "It is doubtful whether the project will be completed on time given the current delays."
Common error
Avoid overuse of passive constructions when using "is doubtful whether". Instead of "It is doubtful whether the new policy will be implemented by the government", consider rephrasing for directness: "It's doubtful the government will implement the new policy".
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "is doubtful whether" functions as a connector introducing a clause expressing uncertainty or skepticism. It links a statement with a condition or outcome whose realization is questionable. Ludwig provides numerous examples demonstrating this usage across diverse contexts.
Frequent in
News & Media
45%
Science
25%
Encyclopedias
15%
Less common in
Wiki
5%
Formal & Business
5%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "is doubtful whether" serves as a crucial tool for expressing uncertainty, skepticism, or a lack of confidence in various situations. As confirmed by Ludwig, it’s grammatically correct and widely used across diverse contexts, particularly in news, scientific, and encyclopedic sources. While alternatives like "is uncertain whether" and "is questionable whether" exist, "is doubtful whether" often carries a slightly stronger sense of disbelief. Remember to avoid overusing the passive voice when constructing sentences with this phrase for optimal clarity and impact.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
is uncertain whether
Expresses doubt using "uncertain" instead of "doubtful", suggesting a lack of sureness.
is questionable whether
Replaces "doubtful" with "questionable", implying that something is open to debate or doubt.
is dubious whether
Uses "dubious" which indicates a stronger sense of doubt or suspicion.
is unlikely that
Shifts from questioning to stating a low probability.
is improbable that
Indicates a situation that is not likely to happen or be true.
it remains to be seen whether
Suggests that the outcome is still unknown and requires further observation.
it is not clear whether
Highlights a lack of clarity or understanding about a situation.
one might wonder whether
Introduces a sense of curiosity or speculation about a particular matter.
it is open to question whether
Emphasizes that the matter is debatable and not yet settled.
it is up for debate whether
Implies an ongoing discussion or argument about the likelihood or truth of something.
FAQs
How can I use "is doubtful whether" in a sentence?
Use "is doubtful whether" to express uncertainty or skepticism about a future event or situation. For example, "It is doubtful whether the company will meet its projected earnings this quarter".
What are some alternatives to "is doubtful whether"?
You can use alternatives such as "is uncertain whether", "is questionable whether", or "is unlikely that" to express similar sentiments.
Is it better to use "is doubtful whether" or "is it doubtful that"?
"Is doubtful whether" is generally used to introduce a clause expressing uncertainty, while "is it doubtful that" is less common and can sound awkward. Sticking with "is doubtful whether" usually provides a clearer and more concise sentence structure.
What's the difference between "is doubtful whether" and "is uncertain whether"?
While both express uncertainty, "is doubtful whether" often carries a slightly stronger sense of skepticism or disbelief, while "is uncertain whether" is a more neutral expression of not being sure.
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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
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested