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
I will definitely be
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "I will definitely be" is correct and usable in written English.
You can use it to express certainty about a future action or state of being. Example: "I will definitely be attending the conference next month."
✓ Grammatically correct
News & Media
Academia
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
60 human-written examples
I will definitely be running".
News & Media
I will definitely be back for more.
News & Media
"I will definitely be telling my friends to come".
News & Media
If there is one, I will definitely be protesting".
News & Media
I will definitely be back, that's for sure".
News & Media
"I will definitely be back next year," Jones said.
News & Media
I will definitely be following this project as results from 2018 come in.
Academia
I will definitely be recommending this book to all of my friends!
News & Media
I will definitely be watching out for any more new books by this author!
News & Media
I love this book and I will definitely be reading the sequel, Somebody Stop Ivy Pocket.
News & Media
Despite this, I will definitely be exercising my right to vote.
News & Media
Expert writing Tips
Best practice
When appropriate, follow "I will definitely be" with a specific timeframe to add clarity and context, like "I will definitely be there by 5 PM."
Common error
While "I will definitely be" is widely understood, consider using more formal alternatives like "I will certainly be" or "I shall be" in professional or academic writing to maintain a higher level of formality.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "I will definitely be" functions as a declaration of a future state or action with a high degree of certainty. According to Ludwig, this phrase is correct and usable in written English, affirming its grammatical soundness and practical application.
Frequent in
News & Media
67%
Academia
24%
Formal & Business
9%
Less common in
Science
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, the phrase "I will definitely be" is a common and grammatically correct way to express a firm commitment or expectation regarding a future event. Ludwig confirms its acceptability, noting its frequent use across diverse sources. While versatile, it's best to consider context: for formal writing, alternatives like "I will certainly be" may be more suitable. Remember to add a specific timeframe to add extra clarity.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
I will certainly be
Replaces "definitely" with "certainly" to express a similar level of assurance.
I am certain to be
Replaces "will definitely" with "am certain to" for a more direct statement of certainty.
I am sure I will be
Uses a different structure to emphasize the speaker's certainty.
I will assuredly be
Substitutes "definitely" with the more formal "assuredly".
I will most assuredly be
Combines "most" and "assuredly" for added emphasis.
I will undoubtedly be
Employs "undoubtedly" to show a strong conviction.
Without a doubt, I will be
Adds an introductory phrase to underscore the lack of uncertainty.
I am bound to be
Uses "bound to be" to indicate a strong likelihood or obligation.
It is certain that I will be
A more formal and emphatic way of expressing certainty.
I fully intend to be
Shifts focus to intention while still implying certainty.
FAQs
What does "I will definitely be" mean?
The phrase "I will definitely be" expresses a strong sense of certainty about a future event or action. It means you are sure you will do something or be somewhere.
What can I say instead of "I will definitely be"?
You can use alternatives like "I will certainly be", "I am sure I will be", or "I am certain to be" to convey a similar meaning.
Is it okay to use "I will definitely be" in formal writing?
While acceptable, "I will definitely be" might sound less formal. Consider using alternatives like "I will assuredly be" or "It is certain that I will be" for a more professional tone.
How can I add emphasis to "I will definitely be"?
To add emphasis, you could use phrases like "Without a doubt, I will be" or "I will most assuredly be".
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
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested