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 quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

MitStanfordHarvardAustralian Nationa UniversityNanyangOxford

is uncertain about

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "is uncertain about" is correct and usable in written English.
It can be used when expressing doubt or lack of clarity regarding a particular subject or situation. Example: "She is uncertain about the best course of action to take in this situation."

✓ Grammatically correct

News & Media

Science

Academia

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

He is uncertain about how to resolve this conflict.

Maybe it is uncertain about getting to 90.

Moreover, the principal is uncertain about the agent's preferences conditional on the states.

Thiel himself, perhaps out of sheer contrarianism, is uncertain about Darwinian evolution.

News & Media

The New Yorker

For his part, Mr. Siekaczek is uncertain about the impact of the Siemens case.

News & Media

The New York Times

For now, he has no job and is uncertain about his future.

News & Media

The New York Times

The seller of N distinct objects is uncertain about the buyer's valuation for those objects.

It is uncertain about its identity, its shared values, its future.

News & Media

The New York Times

At this point, she is uncertain about competing in two events.

If his head tilts slightly, he is uncertain about your meaning, so try to clarify.

News & Media

The New York Times

He is uncertain about the strength of her ongoing commitment to the issue.

News & Media

The Guardian
Show more...

Expert writing Tips

Best practice

When using "is uncertain about", ensure the context clearly indicates the source and object of the uncertainty. For example, specify who is uncertain and what they are uncertain about to avoid ambiguity.

Common error

Avoid using "is uncertain about" without specifying the subject or object of uncertainty. A sentence like "The future is uncertain" lacks clarity. Instead, specify who or what is uncertain to provide more informative content. For example: "Analysts are uncertain about the future of the economy."

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

85%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "is uncertain about" functions as a predicative adjective phrase expressing a state of doubt, lack of confidence, or incomplete knowledge regarding a specific subject. As Ludwig AI highlights, it is a common construction used to convey a lack of definitive information or conviction.

Expression frequency: Very common

Frequent in

News & Media

40%

Science

30%

Academia

15%

Less common in

Formal & Business

5%

Wiki

5%

Encyclopedias

5%

Ludwig's WRAP-UP

In summary, "is uncertain about" is a versatile and commonly used phrase for expressing doubt or a lack of definitive knowledge. Ludwig AI confirms its grammatical correctness and widespread applicability across various domains, including news, science, and academia. While alternatives like ""is unsure about"" and "is doubtful about" exist, "is uncertain about" remains a clear and reliable choice. To ensure clarity, specify the subject and object of the uncertainty.

FAQs

What does "is uncertain about" mean?

The phrase "is uncertain about" means someone lacks confidence or definite knowledge regarding a particular subject or situation. It indicates a state of doubt or hesitancy.

How can I use "is uncertain about" in a sentence?

You can use "is uncertain about" to express doubt or lack of clarity. For instance, "She "is unsure about" her decision" shows she isn't completely confident in her choice.

Which is correct, "is uncertain about" or "is uncertain of"?

Both "is uncertain about" and "is uncertain of" are grammatically correct, but "is uncertain about" is more common and generally preferred in contemporary English. "Is uncertain of" tends to be used when referring to things you were once certain about, but no longer are.

What are some alternatives to "is uncertain about"?

Alternatives to "is uncertain about" include phrases like ""is unsure about"", "is doubtful about", or "is hesitant about", which can add nuance to your writing.

ChatGPT power + Grammarly precisionChatGPT power + Grammarly precision
ChatGPT + Grammarly

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.

Source & Trust

85%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: