Used and loved by millions
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.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
Definitely not
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "Definitely not" is correct and usable in written English.
It can be used to express strong disagreement or to emphasize that something is not the case. Example: "Do you think we should cancel the event? Definitely not, we have too many people counting on it."
✓ Grammatically correct
News & Media
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
59 human-written examples
"Definitely not the government.
News & Media
"Definitely not," he insists.
News & Media
Definitely not corn, Governor.
News & Media
"Definitely not," Wolfowitz said.
News & Media
Definitely not the Hamptons!
News & Media
Definitely not cilantro.
News & Media
Definitely not the star.
News & Media
Definitely not worth it.
News & Media
(Definitely not our choice).
News & Media
Definitely not progress.
News & Media
Definitely not those socks".
News & Media
Expert writing Tips
Best practice
In written communication, use "definitely not" to avoid ambiguity and express the negative form clearly in various contexts.
Common error
While "Definitely not" is widely accepted, avoid overusing it in highly formal or academic writing. Consider using more nuanced or sophisticated language to convey disagreement.
Source & Trust
92%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "Definitely not" functions as an emphatic negative response. It serves to strongly deny or disagree with a previous statement or suggestion. Ludwig AI confirms its correct usage and widespread acceptance.
Frequent in
News & Media
85%
Formal & Business
8%
Science
7%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
"Definitely not" is a phrase used for expressing strong disagreement or denial. Ludwig AI analysis confirms that this phrase is grammatically correct and common, especially in news and media. While appropriate for various contexts, be mindful of overuse in highly formal settings. Alternatives like "absolutely not" or "by no means" can offer similar emphasis with slight variations in tone. Use "Definitely not" to ensure your strong negative stance is clearly communicated.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
Absolutely not
Emphasizes a firm and unequivocal refusal or disagreement.
Certainly not
Indicates a strong negation with a sense of conviction.
By no means
Highlights that something is impossible or completely out of the question.
Not at all
A polite but firm way of expressing disagreement or negation.
Of course not
Implies that something is obviously not the case.
No way
An informal and emphatic way of saying no.
Not in the slightest
Emphasizes that something is not the case to any degree.
Under no circumstances
Indicates a strict prohibition or impossibility.
Never
Expresses that something will not happen at any time.
Not a chance
An informal way of saying that something is very unlikely or impossible.
FAQs
How can I use "Definitely not" in a sentence?
"Definitely not" is used to express strong disagreement or denial. For example, "Do you think this plan will work? "Definitely not", it's flawed from the start."
What are some alternatives to "Definitely not"?
Alternatives include "absolutely not", "certainly not", or "by no means". The choice depends on the context and desired level of formality.
Is "definitely not" grammatically correct?
Yes, "definitely not" is grammatically correct and commonly used in spoken and written English to express a strong negative.
What's the difference between "definitely not" and "probably not"?
"Definitely not" indicates certainty and strong disagreement, while "probably not" implies uncertainty and a lower likelihood of something being the case.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
92%
Authority and reliability
4.6/5
Expert rating
Real-world application tested