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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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I'm unsure

Grammar usage guide and real-world examples

Human-verified examples from authoritative sources

Exact Expressions

56 human-written examples

I'm unsure.

I'm unsure of my destination.

News & Media

The New Yorker

I'm unsure about pretty much everything else.

News & Media

The New York Times

I'm unsure of what to do.

News & Media

The New York Times

I'm unsure if we'll stay up.

Right now I'm unsure," he said.

With how much success, I'm unsure.

Show more...

Human-verified similar examples from authoritative sources

Similar Expressions

4 human-written examples

I was unsure how.

News & Media

The New York Times

I am unsure of the outcome.

News & Media

The New York Times

I was unsure whether he knew this.

"But I was unsure of how to do it".

Expert writing Tips

Best practice

Use "I'm unsure" when expressing a lack of certainty or knowledge about a topic. It's suitable for both formal and informal contexts.

Common error

While "I'm unsure" is perfectly acceptable, overuse can make your writing sound hesitant. Vary your language by using synonyms like "I'm uncertain", "I don't know", or "I'm not sure" for a more engaging style.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

88%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "I'm unsure" functions as an adjectival phrase expressing a state of uncertainty or lack of definite knowledge. It modifies the subject "I", indicating their current disposition. Examples on Ludwig show its use in various contexts to convey doubt or lack of conviction.

Expression frequency: Very common

Frequent in

News & Media

83%

Science

9%

Formal & Business

4%

Less common in

Wiki

2%

Encyclopedias

0%

Reference

0%

Ludwig's WRAP-UP

In summary, "I'm unsure" is a very common and grammatically correct phrase used to express uncertainty or a lack of knowledge. Ludwig's examples demonstrate its frequent appearance in news and media, as well as science. While versatile, it's important to avoid overuse and consider synonyms like "I'm not sure" or "I'm uncertain". The neutral register makes it suitable for both formal and informal contexts.

FAQs

What does "I'm unsure" mean?

"I'm unsure" means that you lack certainty or knowledge about something. It is a common way to express doubt or uncertainty.

How can I use "I'm unsure" in a sentence?

You can use "I'm unsure" to express uncertainty about a fact, a decision, or a future event. For example, "I'm unsure whether to accept the job offer" or "I'm unsure of the exact time of the meeting".

What can I say instead of "I'm unsure"?

You can use alternatives like "I'm not sure", "I'm uncertain", or "I don't know" depending on the context.

Is "I am unsure" more formal than "I'm unsure"?

Yes, "I am unsure" is slightly more formal than "I'm unsure" because it uses the full form of the verb "to be". However, both are generally acceptable in most contexts.

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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: