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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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I definitely cannot

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "I definitely cannot" is correct and usable in written English.
You can use it to express a strong inability or refusal to do something. Example: "I definitely cannot attend the meeting tomorrow due to a prior commitment."

✓ Grammatically correct

News & Media

Science

Human-verified examples from authoritative sources

Exact Expressions

8 human-written examples

He added: "I definitely cannot say that I saw Joanna Yeates that evening.

News & Media

Independent

Asked directly if he saw the murdered woman on the night she disappeared, the landlord said: "I definitely cannot say that I saw Joanna Yeates that evening.

News & Media

Independent

"I definitely cannot ignore the fact that the day before I lost my legs I was celebrating that London had won the Olympic bid," she said.

That in mind, I regret to inform you that I definitely cannot spare any more than one minute trying to "figure you out".

News & Media

Vice

That in mind, I regret to inform you that I definitely cannot spare any more than a minute trying to "work you out".

News & Media

Vice

So many that there is no way one man, or even several of them working together in shifts, covering each show floor, every off-site presentation and the various other LA Conference Centre-orbiting previews around Downtown (some of which I definitely cannot tell you about, sorry), could see them all without experiencing some sort of mental and/or physical breakdown.

News & Media

Vice
Show more...

Human-verified similar examples from authoritative sources

Similar Expressions

51 human-written examples

While we know that C57BL/6 mice respond to HDM even more vigorously in terms of inflammation, it definitely cannot be assumed that the behavior of these two strains, or others, is identical.

Science

Plosone

To my surprise, on arrival in Rwanda I was informed that Canadians definitely cannot buy visas at the border (Americans and Brits don't even need visas, which is hideously unfair).

News & Media

Vice

So you can consider my speech today a continuation of the Passport to Life After Smith, though in the interest of full disclosure, I can't cook and definitely cannot change a tire.

News & Media

Huffington Post

"The Ferraris have taken a huge step forward, so we definitely cannot back off because I'm sure they're going to be pushing," Hamilton said.

News & Media

BBC

I cannot describe how much they affect me and definitely cannot say in words how More Than This just left me thinking for weeks.

News & Media

The Guardian
Show more...

Expert writing Tips

Best practice

Use "I definitely cannot" to express a firm and unambiguous inability or refusal. This phrase is stronger than "I cannot" and conveys a sense of certainty.

Common error

While "I definitely cannot" is a strong statement, avoid using it excessively in your writing. Overuse can make your writing sound repetitive or overly forceful. Consider using synonyms or rephrasing your sentences for variety.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

82%

Authority and reliability

4.3/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "I definitely cannot" functions as a declarative statement expressing a strong sense of inability or refusal. It emphasizes the speaker's lack of capacity or willingness to perform a specific action. Ludwig AI confirms its correct usage.

Expression frequency: Uncommon

Frequent in

News & Media

57%

Science

29%

Formal & Business

14%

Less common in

Academia

0%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

In summary, the phrase "I definitely cannot" is a grammatically sound and relatively common way to express a firm inability or refusal. Ludwig AI confirms its correctness and provides examples across various contexts. While it's a strong statement, it's important to use it judiciously to avoid sounding overly forceful. Consider alternatives like "I absolutely cannot" or "I certainly cannot" for variety. The phrase is most frequently found in News & Media and Science contexts.

FAQs

What does "I definitely cannot" mean?

It means that you are absolutely unable to do something, expressing a strong sense of impossibility or refusal.

What can I say instead of "I definitely cannot"?

You can use alternatives like "I absolutely cannot", "I certainly cannot", or "I simply cannot" depending on the context.

Is it more polite to say "I cannot" or "I definitely cannot"?

"I cannot" is generally more polite. "I definitely cannot" adds emphasis and can sound less flexible, so use it when you want to be firm.

When is it appropriate to use "I definitely cannot"?

Use "I definitely cannot" when you want to express a very strong and clear inability or refusal, leaving no room for negotiation or doubt.

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Source & Trust

82%

Authority and reliability

4.3/5

Expert rating

Real-world application tested

Most frequent sentences: