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
sure about
Grammar usage guide and real-world examplesUSAGE SUMMARY
"sure about" is correct and usable in written English.
You can use it when you want to make sure someone knows that you are certain about something. For example: "I'm sure about my decision to take a gap year and travel."
✓ Grammatically correct
News & Media
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
I'm not very sure about really.
Science
I'm sure about that.
News & Media
He wasn't sure about words.
News & Media
He is sure about that.
News & Media
I'm not sure about Amazon.
News & Media
Are you sure about them?
News & Media
"Are you sure about Camelot?
News & Media
I wasn't sure about this.
News & Media
"I'm not sure about it.
News & Media
Was he sure about that?
News & Media
We weren't sure about him.
News & Media
Expert writing Tips
Best practice
Use "sure about" to express confidence or certainty in a decision, fact, or person. For example, "I'm sure about my career path."
Common error
Avoid using "sure about" with vague pronouns like 'it' or 'that' without clear context. Instead, specify what you are sure about to maintain clarity. Instead of saying "I'm not sure about it", try "I'm not sure about the proposed plan".
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "sure about" functions as a subjective complement, typically following a linking verb (such as 'be') to describe the subject's state of certainty or confidence. Ludwig AI confirms that "sure about" is correct and usable in written English. Examples from Ludwig demonstrate its use in expressing assurance or doubt regarding a particular matter.
Frequent in
News & Media
60%
Science
20%
Formal & Business
10%
Less common in
Encyclopedias
3%
Wiki
4%
Reference
3%
Ludwig's WRAP-UP
In summary, the phrase "sure about" is a versatile and common expression used to convey a sense of certainty or confidence. Ludwig AI confirms its grammatical correctness and wide applicability. It functions as a subjective complement, primarily used to express the speaker's conviction regarding a particular matter. While suitable for various contexts, it's particularly prevalent in news and media. When using "sure about", ensure clarity by specifying the object of your certainty. Alternatives like ""certain of"" or ""confident in"" can be used to add nuance or emphasis.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
absolutely certain
Emphasizes complete and unwavering assurance, akin to being entirely "sure about" something without any reservation.
certain of
Indicates a strong belief or conviction, similar to being "sure about" something.
definitely convinced
Highlights a state of being strongly persuaded and without doubt, like being completely "sure about" something.
confident in
Implies trust or assurance in someone or something, akin to being "sure about" their abilities or reliability.
convinced of
Suggests a firm belief based on evidence or reasoning, similar to being "sure about" the truth or validity of something.
positive about
Expresses a favorable or optimistic outlook, comparable to being "sure about" a positive outcome or result.
have full confidence in
Indicates complete trust and assurance, akin to being entirely "sure about" someone's abilities or the success of something.
have no doubt about
Emphasizes the absence of uncertainty or hesitation, similar to being completely "sure about" something.
firmly believe in
Highlights a strong and unwavering conviction, alike being "sure about" the importance or value of something.
without a doubt
Underscores the certainty of something, similar to stating one is absolutely "sure about" it.
FAQs
How can I use "sure about" in a sentence?
Use "sure about" to express certainty or confidence regarding something. For example, you might say, "I am "certain of" my decision" or "Are you "confident in" your answer?".
What are some alternatives to "sure about"?
Depending on the context, you can use phrases like ""certain of"", ""confident in"", or "convinced of" as alternatives to "sure about".
Is it correct to say "sure of" instead of "sure about"?
Yes, "sure of" is another correct way to phrase this. Both "sure of" and "sure about" are acceptable, but "sure about" may be more common in contemporary usage.
What's the difference between "sure about" and "absolutely certain"?
"Absolutely certain" emphasizes a higher degree of certainty than "sure about". While "sure about" indicates confidence, "absolutely certain" implies complete and unwavering conviction.
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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
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested