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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.

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CEO of Professional Science Editing for Scientists @ prosciediting.com

i'm uncertain
Grammar usage guide and real-world examples

Alternative expressions(4)

I'm not sure

I'm unsure

I have my doubts

i'm doubtful

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

38 human-written examples

I'm uncertain and worried.

News & Media

The Guardian

I'm uncertain about my relationships.

News & Media

The New York Times - Arts

I'm uncertain why that is — am I out of practice?

News & Media

The New York Times

I'm uncertain whether White is committing the fallacy of semantic descent here.

Academia

Yale University

I'm uncertain whether any suitable alternative vehicles are currently available for handicapped conversion.

News & Media

The New York Times

I'm uncertain about Featherstone's claim, which may be true, but is unprovable.

News & Media

The Guardian

Human-verified similar examples from authoritative sources

Similar Expressions

22 human-written examples

I was uncertain how to take this.

News & Media

The New York Times - Magazine

"I was uncertain about what was being accomplished".

News & Media

The New York Times - Sports

A year ago, I was uncertain about the Lasix issue.

News & Media

The New York Times

As for my own feelings, I was uncertain.

News & Media

The Washington Post

I am uncertain if my car will make the trip.

News & Media

The Guardian - Opinion

Expert writing Tips

Best practice

When using "I'm uncertain", be specific about what you are uncertain about to provide clarity and context.

Common error

Avoid simply stating "I'm uncertain" without explaining the reason or subject of your uncertainty. This can leave the reader confused and unsure of what you're referring to.

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

86%

Authority and reliability

4.6/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "I'm uncertain" functions as a subjective expression of doubt or lack of definitive knowledge. It serves to convey the speaker's personal state of uncertainty regarding a particular topic or situation. Examples on Ludwig showcase its usage in various contexts.

Expression frequency: Very common

Frequent in

News & Media

68%

Academia

18%

Science

Less common in

Formal & Business

Encyclopedias

Wiki

Ludwig's WRAP-UP

In summary, the phrase "I'm uncertain" is a common and grammatically sound way to express doubt or a lack of definitive knowledge. As Ludwig shows, this phrase is used in diverse contexts ranging from news and media to academic discussions. While versatile, ensuring you provide context to what you are uncertain about enhances clarity. Alternatives like "I'm not sure" or "I'm doubtful" can be used to convey similar meanings, but selecting the most fitting depends on the specific shade of uncertainty you wish to express. The phrase's frequency and presence in reputable sources, as confirmed by Ludwig, underscore its validity in contemporary English usage.

More alternative expressions(6)

Phrases that express similar concepts, ordered by semantic similarity:

I'm not sure

Expresses a lack of certainty or confidence; a common alternative.

I'm doubtful

Indicates skepticism or a lack of belief in something.

I'm hesitant

Suggests reluctance or unwillingness due to uncertainty.

I'm unconvinced

Indicates that one is not persuaded or convinced.

I have my doubts

Expresses reservations or uncertainties about something.

I'm apprehensive

Conveys a feeling of anxiety or fear about something that might happen.

I'm indecisive

Indicates difficulty in making decisions due to uncertainty.

I'm fluctuating

Implies a state of wavering or changing between different options or opinions.

I'm wavering

Suggests a lack of firmness or stability in one's opinion or decision.

I'm ambivalent

Expresses mixed feelings or contradictory ideas about something.

FAQs

How to use "I'm uncertain" in a sentence?

You can use "I'm uncertain" to express doubt or a lack of knowledge about a particular subject. For example, "I'm uncertain about the details" or "I'm uncertain if that's correct".

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

You can use alternatives like "I'm not sure", "I'm doubtful", or "I'm unconvinced" depending on the specific nuance you want to convey.

Which is correct, "I'm uncertain" or "I am uncertain"?

Both "I'm uncertain" and "I am uncertain" are grammatically correct. "I'm uncertain" is a contraction and is more common in informal contexts, while "I am uncertain" is more formal.

What's the difference between "I'm uncertain" and "I'm unsure"?

"I'm uncertain" and "I'm unsure" are often used interchangeably, but "I'm unsure" might imply a slightly stronger feeling of doubt or lack of confidence compared to "I'm uncertain".

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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

86%

Authority and reliability

4.6/5

Expert rating

Real-world application tested

Most frequent sentences:

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i'm uncertainGrammar usage guide and real-world examples

i'm uncertain
Grammar usage guide and real-world examples