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
main used
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "main used" is not correct in written English.
It seems to be an incomplete expression and lacks clarity without additional context. Example: "The main used method for this analysis is statistical modeling."
⚠ May contain grammatical issues
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
12 human-written examples
In Table1, the main used parameters are reported.
Science
This figure presents the main used technologies in each architecture module.
These two techniques are the main used for CNT and have proved to be the most reliable and economical.
Science
One of the main used methods is to use some kinds of convergence of suitable subnets of the given net to deduce some compactness properties.
Here, we want to give two main used notations in literature [4, 5] for easy interpretation of Raman spectra and dispersion of graphene.
Science
It is assumed that main used data is static data, so the video sequence should be analysed frame by frame as a static image [15, 16].
Human-verified similar examples from authoritative sources
Similar Expressions
47 human-written examples
Who wants to drive anything else if you can have a Mercedes?" At the main used-car market outside Durres, Albania's second-largest city, the going rate for some of the older sedans is around $4,000.
News & Media
The main use will be for writing essays using Microsoft Word.
News & Media
As a metal, its main use is in jewellery.
News & Media
Skype's main use will almost certainly be social -- making phone calls.
News & Media
The main use of cars is not long trips, but short ones.
News & Media
Expert writing Tips
Best practice
When describing the primary application of something, prefer using phrases like "primarily used", "chiefly employed", or "main application" for better grammatical correctness and clarity.
Common error
Avoid using the phrase "main used" without a noun or verb to complete the thought. Instead of "This is the main used tool", say "This is the primarily used tool" or "The main tool used is..."
Source & Trust
78%
Authority and reliability
2.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "main used" functions as an adjectival phrase, attempting to describe something by its primary method of utilization. However, according to Ludwig, this construction is not considered correct in standard English.
Frequent in
Science
40%
News & Media
40%
Encyclopedias
10%
Less common in
Wiki
10%
Formal & Business
0%
Social Media
0%
Ludwig's WRAP-UP
The phrase "main used" is generally considered grammatically incorrect in English. While some sources, as shown by Ludwig, employ this phrase, it is advisable to use alternatives such as "primarily used", "mainly used", or restructure the sentence for clarity. These alternatives provide better grammatical structure and are more widely accepted in both formal and informal contexts. For example, instead of saying "This is the "main used" method", consider "This is the primarily used method" or "The main method used is..." Prioritizing clarity and grammatical correctness will enhance the credibility and readability of your writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
primarily used
Replaces "main" with "primarily" for grammatical correctness and improved clarity.
mainly used
Employs the adverb "mainly" to correctly modify the verb.
principal use
Changes the structure to "principal use", focusing on the purpose rather than a past action.
primary application
Uses "primary application" to denote the main practical use of something.
chiefly employed
Substitutes with "chiefly employed" to indicate that something is mainly used.
most common use
Specifies "most common use" for wider acceptance in everyday language.
predominantly used
Replaces with "predominantly used" to emphasize the majority of instances.
major use
Shortens to "major use" for a concise and grammatically sound phrase.
commonly used
Emphasizes frequency of use with "commonly used".
main purpose
Focuses on the intent behind the use rather than the use itself.
FAQs
How can I correct the phrase "main used" in a sentence?
Replace "main used" with phrases like "primarily used", "mainly used", or restructure the sentence to use "main use" depending on the intended meaning.
Is "main used" grammatically correct?
No, "main used" is generally considered grammatically incorrect. It's better to use phrases like "primarily used" or rephrase the sentence for clarity.
What is the difference between "main use" and "main used"?
What can I say instead of "main used" to describe something's primary function?
You can use alternatives like "primarily used", "chiefly employed", or describe the "main application" of the item.
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
2.8/5
Expert rating
Real-world application tested