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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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is doubtful whether

Grammar usage guide and real-world examples

USAGE 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

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

It is doubtful whether it ever had any real existence.

Alas, it is doubtful whether many Australians enjoyed the show.

News & Media

Independent

It is doubtful whether he even considered the possible repercussions.

News & Media

Independent

It is doubtful whether the admiration goes two ways.

News & Media

The Guardian

It is doubtful whether Cole will play again this season.

It is doubtful whether doing this would achieve its purpose".

News & Media

The Guardian

However, it is doubtful whether he can actually win the election, rather than just saving seats.

News & Media

Independent

But it is doubtful whether this sort of violence can be stopped.

News & Media

The Economist

Certainly it is doubtful whether added manpower does much to deter terrorist attempts.

News & Media

The Economist

The Foreign Ministry said, "It is doubtful whether this is how justice will be rendered".

News & Media

The New York Times

It is doubtful whether a replacement could make much difference in practical terms.

News & Media

The Economist
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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".

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

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.

Expression frequency: Very common

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.

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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Source & Trust

84%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: