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
a big one on
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a big one on" is not standard or widely recognized in written English.
It may be used informally in specific contexts, but it lacks clarity and may confuse readers. Example: "He always has a big one on about his favorite sports team."
⚠ May contain grammatical issues
News & Media
Science
Wiki
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
25 human-written examples
I'm a big one on the walk.
News & Media
New England wins a big one on the road.
News & Media
That would have minimal effect on world oil prices but a big one on Damascus.
News & Media
The following day would be a big one on "The View".
News & Media
This is a big one: on average, Americans waste around 40percentt of the food they buy.
News & Media
When the music got romantic, so did Ms. Lopez, who turned to Mr. Rodriguez and planted a big one on his cheek.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
35 human-written examples
Early in the second half Hayne drove Warriors' star Johnson onto his back in a big one-on-one tackle, the Kiwi international spilling the ball from the impact.
News & Media
Sunday is a big one for us on that front".
News & Media
You can buy a small flag to display on your car, or buy a bigger one to put on a pole.
Wiki
To build a bigger one on the same lot.
News & Media
"The real spirit of SoHo has shifted south," said Jonathan Adler, who has moved his ceramic lamps and vases and a furniture line from a small shop on Broome Street to a bigger one on Greene Street, just south of Broome.
News & Media
Expert writing Tips
Best practice
When using the phrase "a big one on", consider if a more specific and descriptive alternative would provide greater clarity and precision for your audience.
Common error
Avoid relying too heavily on the phrase "a big one on" in formal writing; replace it with a term that clearly indicates the specific impact, influence, or element you intend to convey.
Source & Trust
86%
Authority and reliability
3.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a big one on" typically functions as a nominal phrase, often acting as a subject complement or object in a sentence. It generally refers to something of significant importance or impact. As Ludwig AI points out, this is not a standard English construction.
Frequent in
News & Media
42%
Science
30%
Wiki
15%
Less common in
Academia
7%
Formal & Business
6%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "a big one on" is frequently used, particularly in News & Media sources. Despite its relative commonness, Ludwig AI describes the phrase as not standard in written English and suggest to be more precise. It functions to emphasize the significance or impact of something, but its usage may lack the precision required for formal or academic writing. Consider using more descriptive and grammatically precise alternatives like "a major emphasis on" or "a significant focus on" to ensure clarity and enhance the credibility of your writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
a large impact on
Focuses on the magnitude of the impact, rather than a specific 'one'.
a notable impact on
Focuses on the noteworthiness of the impact, rather than the 'big one'.
a major emphasis on
Focuses on the importance of emphasis rather than size, altering the specific nuance.
a significant focus on
Highlights the presence of a considerable focus, shifting away from the size metaphor.
a pronounced effect on
Emphasizes the clarity and distinctness of the effect, changing the nuance.
a strong influence on
Emphasizes the impact or influence, moving away from the literal interpretation of size.
a considerable effect on
Highlights the effect something has, rather than its size.
a substantial bearing on
Highlights the relevance or importance of something, differing from the size aspect.
a key factor in
Indicates that something is an important element, shifting the emphasis from size.
a primary element of
Highlights the element of importance in something, differing from the size aspect.
FAQs
How can I rephrase "a big one on" to sound more formal?
Consider using alternatives such as "a major emphasis on", "a significant focus on", or "a strong influence on" depending on the context.
Is "a big one on" grammatically correct?
While commonly used, Ludwig AI describes the phrase as not standard in written English. It is better to use more specific and grammatically sound alternatives for clear communication.
What does "a big one on" generally mean?
The phrase typically suggests something is of considerable importance, influence, or impact. However, its vagueness can lead to misinterpretation. Precise alternatives enhance clarity.
In what contexts is "a big one on" most appropriate?
This phrase is best suited for informal conversations. For professional or academic writing, more specific and descriptive alternatives are recommended.
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
3.5/5
Expert rating
Real-world application tested