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
this is main
Grammar usage guide and real-world examplesUSAGE SUMMARY
"this is main" is a correct and usable part of a sentence in written English, and can be used when you want to emphasize a point or to refer to something as the main point of a discussion.
For example: "This is main: we all need to work together to ensure the project is successful."
✓ Grammatically correct
Science
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
4 human-written examples
This is main task of this paper.
Science
Nowhere in the consultation is there an attempt to quantify the actual impact, if any, on economic growth of judicial review even though this is main justification for cutting it back.
News & Media
This is main achievement of this research.
Science
We believe this is main source of decreasing of the spin-splitting anisotropy with increasing temperature.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
56 human-written examples
This is the main principal of communication.
News & Media
"This is their main concern".
News & Media
This is our main concern.
News & Media
This is the main problem.
News & Media
This is my main complaint.
News & Media
This is my main point.
News & Media
This is the main entrance.
News & Media
Expert writing Tips
Best practice
Use "this is main" to clearly and directly highlight the most important aspect of a discussion or argument. It is most effective in informal or semi-formal settings.
Common error
Avoid using "this is main" in highly formal writing, such as academic papers or business reports. Opt for alternatives like "this is paramount" or "this is central" to maintain a professional tone.
Source & Trust
88%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "this is main" functions as a declarative statement used to emphasize the primary or most important aspect of a topic. Ludwig examples show it highlighting the central point of an argument or achievement. Ludwig AI confirms it's a usable part of a sentence.
Frequent in
Science
50%
News & Media
50%
Formal & Business
0%
Less common in
Academia
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "this is main" is a grammatically correct phrase used to emphasize the primary point in a discussion. While it's more suited for informal or semi-formal settings, it clearly directs attention to what's most important. Ludwig AI validates its usability in written English. Though relatively rare in occurrence, when used appropriately, it can be effective in highlighting key information. Remember to consider your audience and the context to determine if more formal alternatives like "this is paramount" or "this is central" might be more suitable. Ludwig's examples show its appearance in science and news sources, suggesting its versatility across different domains. The phrase's directness makes it a valuable tool for clear communication, provided it aligns with the intended tone and register.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
this is paramount
Emphasizes the supreme importance of something, more formal than "main".
this is central
Highlights that something is essential and fundamental.
this is key
Indicates that something is crucial for achieving a particular outcome, slightly more concise.
this is fundamental
Stresses the foundational nature of something, adding a layer of importance.
this is the primary concern
Specifically identifies something as the most significant worry or issue.
this is the principal issue
Uses a more formal term "principal" to denote the most important problem.
this is of utmost importance
Emphasizes the extreme significance of something in a formal tone.
this is the crux of the matter
Highlights the most critical point or essential element of a situation.
this is the heart of the problem
Identifies the core or root cause of an issue.
this is the driving force
Indicates that something is the main reason or influence behind an action or situation.
FAQs
How can I use "this is main" in a sentence?
You can use "this is main" to emphasize a primary point, for example, "This is main: we need to focus on customer satisfaction."
What phrases can I use instead of "this is main"?
You can use alternatives such as "this is paramount", "this is central", or "this is key" depending on the context.
Is "this is main" grammatically correct?
Yes, "this is main" is grammatically correct, though it might be considered informal for certain contexts.
When is it appropriate to use "this is main"?
It's appropriate in informal or semi-formal settings where a direct and clear emphasis is needed. Avoid it in highly formal or academic writing.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
88%
Authority and reliability
4.1/5
Expert rating
Real-world application tested