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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 doubtful

Grammar usage guide and real-world examples

USAGE SUMMARY

"I'm doubtful" is correct and usable in written English.
You can use it when expressing uncertainty or suspicion about something. For example: "I'm doubtful that John will be able to make it to the party on time."

✓ Grammatically correct

News & Media

Human-verified examples from authoritative sources

Exact Expressions

41 human-written examples

But I'm doubtful.

I'm doubtful about that".

News & Media

The Guardian

But I'm doubtful this will last long.

But I'm doubtful they'll target New York".

News & Media

The New York Times

But he added: "I'm doubtful about consumer reaction".

I'm doubtful, but it will be wonderful watching them try.

Show more...

Human-verified similar examples from authoritative sources

Similar Expressions

17 human-written examples

I am doubtful of this.

"I am doubtful that would happen".

News & Media

The New York Times

I hope Washington takes note of your words of wisdom but I am doubtful.

News & Media

The New York Times

When I first saw the film, I was doubtful about the ending.

"I am doubtful about their ability to make a real difference here," he said today.

News & Media

The New York Times
Show more...

Expert writing Tips

Best practice

Use "I'm doubtful" to express your uncertainty or reservations about a situation, plan, or statement without being overly negative or confrontational. It's a polite way to show skepticism.

Common error

While "I'm doubtful" is acceptable, overuse in formal writing can make you seem indecisive. Use stronger, more direct language when appropriate to convey confidence and expertise.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

92%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "I'm doubtful" primarily functions as an expression of uncertainty or skepticism. It serves to communicate that the speaker is not entirely convinced or confident about something. This aligns with Ludwig AI's assessment, indicating its standard and acceptable usage.

Expression frequency: Very common

Frequent in

News & Media

100%

Less common in

Formal & Business

0%

Science

0%

Reference

0%

Ludwig's WRAP-UP

In summary, "I'm doubtful" is a versatile phrase used to express uncertainty or skepticism. As Ludwig AI confirms, it is grammatically correct and widely accepted in written English. It's frequently found in news and media contexts, offering a polite way to convey reservations without being overtly negative. Consider alternatives like "I'm skeptical" or "I have my doubts" for nuanced expression. While common, be mindful of overuse in formal writing to maintain a confident tone.

FAQs

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

You can use "I'm doubtful" to express uncertainty or skepticism about a future event, a claim, or a plan. For example, "I'm doubtful that the project will be completed on time."

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

You can use alternatives like "I'm skeptical", "I'm dubious", or "I have my doubts" depending on the context.

Which is correct, "I'm doubtful" or "I doubt"?

Both "I'm doubtful" and "I doubt" are correct. "I doubt" is often more direct, while "I'm doubtful" can sometimes soften the expression of uncertainty.

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

"I'm uncertain" generally expresses a lack of knowledge or clarity. "I'm doubtful" expresses a degree of disbelief or skepticism. For instance, you might be uncertain about the exact location of a meeting, but doubtful that a proposed solution will work.

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Source & Trust

92%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: