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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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I'm not so sure

Grammar usage guide and real-world examples

USAGE 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

Human-verified examples from authoritative sources

Exact Expressions

55 human-written examples

"I'm not so sure.

I'm not so sure now.

News & Media

The New Yorker

But I'm not so sure.

News & Media

The New York Times

'Cause I'm not so sure".

News & Media

The New York Times

LH: I'm not so sure.

News & Media

The New York Times

Actually, I'm not so sure.

News & Media

The New York Times

Meh, I'm not so sure.

News & Media

Independent

"Now I'm not so sure".

News & Media

The New York Times

I'm not so sure, though.

News & Media

The Guardian

Suddenly I'm not so sure.

News & Media

The Guardian

I'm not so sure yet".

Show more...

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.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

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.

Expression frequency: Very common

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.

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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Source & Trust

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Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: