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
Uncertain about
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "Uncertain about" is correct and usable in written English.
It can be used when expressing doubt or lack of clarity regarding a specific topic or situation. Example: "I am uncertain about the final decision regarding the project timeline."
✓ Grammatically correct
News & Media
Academia
Science
Alternative expressions(3)
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
Uncertain about a Career path?
Uncertain about their income or home environment".
News & Media
Uncertain about the future, he may not make the investment.
News & Media
He was uncertain about Barr.
News & Media
I feel uncertain about all this.
News & Media
Scientists are uncertain about this.
News & Media
The brothers remain uncertain about the future.
News & Media
Osborne is equally uncertain about the future.
News & Media
But she was uncertain about the causes.
News & Media
He often felt uncertain about roles.
News & Media
I'm uncertain about my relationships.
News & Media
Expert writing Tips
Best practice
When using "uncertain about", clearly state the object of your uncertainty to avoid ambiguity. For example, instead of saying "I am uncertain about it", specify "I am uncertain about the project timeline."
Common error
Avoid using "uncertain about" without providing context. Saying "I'm uncertain" leaves the reader wondering what you are unsure of. Always specify the subject of your uncertainty for clarity.
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "uncertain about" primarily functions as an adjectival phrase, modifying a subject by expressing a state of doubt, hesitation, or lack of definite knowledge regarding a specific topic. This is consistent with Ludwig's examples demonstrating its use to describe feelings or assessments.
Frequent in
News & Media
43%
Science
20%
Academia
7%
Less common in
Encyclopedias
2%
Wiki
2%
Formal & Business
0%
Ludwig's WRAP-UP
In summary, the phrase "uncertain about" is a grammatically correct and frequently used expression to convey doubt or a lack of clarity regarding a specific subject. As indicated by Ludwig, it functions primarily as an adjectival phrase and is employed in a variety of contexts, ranging from news and media to academic and scientific writing. While alternatives like "unsure of" exist, "uncertain about" maintains a versatile and widely accepted presence in English communication. Remember to provide clear context when using this phrase to avoid ambiguity.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
Unsure of
Replaces "about" with "of", slightly altering the prepositional usage.
Not certain about
Introduces negation and replaces "uncertain" with "not certain", adding emphasis.
In doubt regarding
Replaces "uncertain" with "in doubt" and "about" with the more formal "regarding".
Questioning
Uses a verb form to express uncertainty or doubt, changing the sentence structure.
Having doubts about
Emphasizes the presence of doubts, shifting the focus slightly.
Skeptical of
Expresses a degree of doubt or disbelief, suggesting a critical perspective.
Apprehensive about
Highlights a feeling of anxiety or fear about something, adding an emotional component.
Hesitant regarding
Implies a pause or reluctance due to uncertainty, using a more formal preposition.
Wary of
Indicates caution or distrust, suggesting a potential risk or danger.
Ambivalent about
Expresses mixed feelings or contradictory ideas about something, indicating a complex state of uncertainty.
FAQs
How can I use "Uncertain about" in a sentence?
"Uncertain about" is used to express doubt or a lack of confidence regarding something. For example, "I am "uncertain about" the weather forecast" or "She seemed "uncertain about" her decision."
What are some alternatives to saying "Uncertain about"?
You can use phrases like "unsure of", "not certain about", or "in doubt regarding" to express a similar meaning.
Is there a difference between "Uncertain about" and "Unsure about"?
While both phrases convey a lack of certainty, ""uncertain about"" might suggest a slightly more formal or reflective tone, whereas "unsure about" is generally more common in everyday conversation. The difference is subtle and context-dependent.
When is it appropriate to use "Uncertain about" in writing?
"Uncertain about" is suitable in various contexts, from formal reports and academic papers to news articles and personal correspondence. It's a versatile phrase for expressing doubt or a lack of clarity. Consider using more informal alternatives like "unsure of" in casual settings.
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
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested