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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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I seriously doubt it

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "I seriously doubt it" is correct and usable in written English.
You can use it to express skepticism or disbelief about a statement or claim made by someone else. Example: "When he said he could finish the project in one day, I seriously doubt it."

✓ Grammatically correct

News & Media

Human-verified examples from authoritative sources

Exact Expressions

28 human-written examples

I seriously doubt it.

News & Media

The New York Times

I seriously doubt it will ever happen again.

News & Media

The New Yorker

"I seriously doubt it will hurt him at all," Mr. Albright said.

News & Media

The New York Times

Although I seriously doubt it: this is "black comedy" in the truest sense.

News & Media

The Guardian

I seriously doubt it will have the title that Daz mentioned to TMZ – Dogg Pound 4 Life – however.

"I'll call [bassist] Duff [McKagan] – but I seriously doubt it … We have no intention of going backwards".

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Human-verified similar examples from authoritative sources

Similar Expressions

32 human-written examples

NICHOLAS SCHMIDLE: I would seriously doubt it.

News & Media

The New Yorker

But if it is true (and I no longer seriously doubt it), then it is a fact of importance for young biomedical scientists on research-intensive career trajectories and for the institutions that employ them.

Science & Research

Science Magazine

Few Americans could seriously doubt it.

News & Media

The New York Times

Yeah, we seriously doubt it.

News & Media

Huffington Post

I seriously doubt whether it will ever be debated either.

News & Media

Independent
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Expert writing Tips

Best practice

Use "I seriously doubt it" when you want to politely but firmly express disbelief or skepticism about a statement or claim.

Common error

While useful, avoid using "I seriously doubt it" repeatedly in a short span. Vary your expressions of doubt with phrases like "I'm skeptical" or "That seems unlikely" for more engaging writing.

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

4.6/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "I seriously doubt it" functions as an interjection or a declarative statement expressing disbelief or strong skepticism. It suggests the speaker finds a statement or claim questionable. Ludwig examples confirm this usage.

Expression frequency: Common

Frequent in

News & Media

85%

Formal & Business

8%

Science

7%

Less common in

Academia

0%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

The phrase "I seriously doubt it" is a common and grammatically correct way to express skepticism or disbelief. According to Ludwig, this phrase is most frequently found in news and media contexts. While it's a polite way to disagree, it's important to use it judiciously and vary your expressions to avoid repetition. Alternatives like "I highly doubt it" or "That seems unlikely" can add nuance to your writing. Remember, the effectiveness of the phrase depends on the context and your tone.

FAQs

How can I use "I seriously doubt it" in a sentence?

Use "I seriously doubt it" to express your disbelief or skepticism about something. For example, "He said he could finish the job in an hour, but "I seriously doubt it"."

What are some alternatives to saying "I seriously doubt it"?

You can use alternatives like "I highly doubt it", "I really doubt it", or "I'm skeptical of that" depending on the context.

When is it appropriate to use "I seriously doubt it"?

It's appropriate to use "I seriously doubt it" in situations where you want to express your disbelief or skepticism without being overly aggressive or confrontational. It's suitable for both formal and informal settings.

Is "I seriously doubt it" considered rude?

While it expresses doubt, "I seriously doubt it" is generally considered a polite way to disagree or express skepticism. However, your tone of voice and the context of the conversation can influence how it's perceived.

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Source & Trust

88%

Authority and reliability

4.6/5

Expert rating

Real-world application tested

Most frequent sentences: