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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
I'm not so sure
Grammar usage guide and real-world examplesUSAGE SUMMARY
"I'm not so sure" is correct and can be used in written English
It is often used to express uncertainty or doubt about something. Here are some examples: - "I'm not so sure that we should go with this plan. It seems risky." - "I'm not so sure about the accuracy of these statistics. We should double-check them." - "I'm not so sure I can trust him after what he did." - "I'm not so sure if I agree with your interpretation of the poem. Can you explain it more?" - "I'm not so sure that I want to attend the meeting. Can someone take notes for me instead?"
✓ Grammatically correct
News & Media
Alternative expressions(4)
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
55 human-written examples
"I'm not so sure.
News & Media
I'm not so sure now.
News & Media
But I'm not so sure.
News & Media
'Cause I'm not so sure".
News & Media
LH: I'm not so sure.
News & Media
Actually, I'm not so sure.
News & Media
Meh, I'm not so sure.
News & Media
"Now I'm not so sure".
News & Media
I'm not so sure, though.
News & Media
Suddenly I'm not so sure.
News & Media
I'm not so sure yet".
News & Media
Expert writing Tips
Best practice
Use "I'm not so sure" to politely express doubt or disagreement without being overly confrontational. It allows for a nuanced response, especially when you don't want to directly contradict someone.
Common error
While appropriate in many contexts, "I'm not so sure" can sound too informal in academic or highly professional writing. Consider using more formal alternatives like "I remain unconvinced" or "Further evidence is required" in such situations.
Source & Trust
94%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "I'm not so sure" functions as a hedge, softening a potential disagreement or expressing doubt in a polite way. As confirmed by Ludwig, it is perfectly correct to use in written English.
Frequent in
News & Media
100%
Less common in
Science
0%
Formal & Business
0%
Encyclopedias
0%
Ludwig's WRAP-UP
The phrase "I'm not so sure" is a versatile tool for expressing doubt and uncertainty in various contexts. Ludwig AI confirms its grammatical correctness and common usage, particularly in news and media. While it offers a polite way to disagree, remember to consider more formal alternatives like "I remain unconvinced" in academic or professional settings. The examples in Ludwig highlight its adaptability, allowing you to subtly question or express reservations without being overly assertive. When in doubt, "I'm not so sure" provides a nuanced approach to navigating uncertain territory.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
I'm not quite sure
The addition of "quite" softens the statement, making it slightly less assertive.
I'm not entirely certain
This is a more formal way of expressing uncertainty, emphasizing that you lack complete certainty.
I have my doubts
This is a more concise and idiomatic way of expressing uncertainty.
I'm somewhat doubtful
This alternative uses "doubtful" instead of "sure", conveying a slightly stronger sense of uncertainty.
I'm a bit skeptical
This phrase implies a questioning attitude and a lack of complete conviction.
I'm starting to wonder
This expresses a developing sense of doubt or uncertainty.
I'm unconvinced
This suggests that you are not persuaded or convinced by something.
I'm hesitant to say
This indicates reluctance or reservation in expressing an opinion.
It's questionable to me
This focuses on expressing that something seems doubtful in someone's opinion.
I'm of two minds
This idiom suggests that you are torn between two conflicting opinions or possibilities.
FAQs
How can I use "I'm not so sure" in a sentence?
"I'm not so sure" is used to express doubt or uncertainty about a statement or situation. For example, you might say, "I'm not so sure that's the best approach" to politely question a proposed plan.
What does "I'm not so sure" mean?
The phrase "I'm not so sure" conveys a sense of uncertainty or disagreement. It suggests that you have doubts about something but are not necessarily dismissing it entirely.
What are some alternatives to saying "I'm not so sure"?
Depending on the context, you can use alternatives like "I have my doubts", "I'm somewhat doubtful", or "I'm unconvinced" to express similar uncertainty.
Is "I'm not so sure" appropriate for formal communication?
While generally acceptable, "I'm not so sure" might be considered too informal for some formal settings. In such cases, opting for phrases like "I'm not entirely certain" or "I remain skeptical" can be more suitable.
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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
94%
Authority and reliability
4.5/5
Expert rating
Real-world application tested