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
you will definitely need
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "you will definitely need" is correct and usable in written English.
It can be used when emphasizing the necessity of something in a future context. Example: "For this project, you will definitely need to gather all the necessary materials before starting."
✓ Grammatically correct
Wiki
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
38 human-written examples
If you don't have a friend who is willing to be your photographer, then you will definitely need a tripod.
Wiki
You will definitely need help with this step!
Academia
You will definitely need to add liquid if you did not soak the lentils.
News & Media
You will definitely need ID if you want to do this.
News & Media
What equipment will you need? A. You will definitely need your laptop, a cellphone and their chargers.
News & Media
So if you're going to do this with a bunch of kids, you will definitely need to change the water every so often.
Academia
Human-verified similar examples from authoritative sources
Similar Expressions
22 human-written examples
Oh, and you'll definitely need a light gun if you have Virtua Cop.
News & Media
You'll definitely need a box with a lid for this project.
Academia
Roundabouts and roads, roads, roads: you'll definitely need a car.
News & Media
You'll definitely need more than a 20-second breather before plunging headfirst into another casually violent murder.
News & Media
You'll definitely need something else for that jittery feeling you get when you're on Twitter for more than three or four hours in a row.
News & Media
Expert writing Tips
Best practice
In formal writing, consider alternatives like "it is essential that you have" to maintain a professional tone.
Common error
While "definitely" adds emphasis, overuse can weaken its impact. In formal writing, consider replacing it with more nuanced words that convey certainty or necessity, such as "certainly", "assuredly", or "undoubtedly".
Source & Trust
78%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "you will definitely need" functions as a directive expression, typically used to strongly advise or instruct someone on something they require. As Ludwig AI indicates, the phrase is usable in English to emphasize necessity.
Frequent in
Wiki
36%
News & Media
32%
Academia
8%
Less common in
Science
8%
Formal & Business
8%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, "you will definitely need" is a common and grammatically sound phrase used to strongly recommend or emphasize the necessity of something. Ludwig AI confirms its usability in English, and the examples provided showcase its use across various contexts, from Wiki articles to news reports. While versatile, be mindful of the context; more formal settings might benefit from stronger, more nuanced expressions of necessity. Consider alternatives such as "it is essential that you have" or "you absolutely require" for a heightened sense of importance.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
you absolutely require
Emphasizes necessity with a stronger tone.
it is essential that you have
Highlights the importance of possession.
you must certainly possess
Stresses the obligation to have something.
it is imperative for you to acquire
Formally indicates a critical need.
you're going to need for sure
More casual and emphatic way of expressing need.
you'll want to ensure you have
Focuses on proactive preparation.
it would be wise to secure
Suggests prudence in obtaining something.
make certain you obtain
Emphasizes verification of acquisition.
you should without fail procure
Stresses the importance of procuring something.
don't forget to get
A reminder to acquire something needed.
FAQs
How can I rephrase "you will definitely need" to sound more formal?
For a more formal tone, you can use phrases like "it is essential that you have", "it is imperative for you to acquire", or "you absolutely require".
What's a more casual way to say "you will definitely need"?
Informal alternatives include "you're going to need for sure", or "don't forget to get".
When is it appropriate to use "you will definitely need" in writing?
Use "you will definitely need" when providing instructions or recommendations where the item is truly essential. Avoid overuse in formal contexts.
Are there any synonyms for "definitely" that I can use with "you will need"?
Yes, you can replace "definitely" with synonyms like "absolutely", "certainly", "assuredly", or "undoubtedly" to vary your writing.
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
78%
Authority and reliability
4.1/5
Expert rating
Real-world application tested