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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
more so when
Grammar usage guide and real-world examplesUSAGE SUMMARY
"more so when" is grammatically correct and can be used in written English.
It is typically used to indicate a specific condition or circumstance that makes something else even more applicable or relevant. Example: "I enjoy going for walks in the park, but even more so when the weather is nice." This means that while the speaker always enjoys going for walks in the park, the experience is enhanced when the weather is good.
✓ Grammatically correct
News & Media
Science
Academia
Alternative expressions(6)
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
"More so when he's on the court.
News & Media
More so when the number of objectives is large.
Science
Even more so when Murray double-faults.
News & Media
"Even more so when I met him".
News & Media
Never more so when it comes to the set.
News & Media
We are human, even more so when performing.
News & Media
Even more so when you yourself have no vote.
News & Media
Even more so when Messi is in action.
News & Media
Even more so when those mirrors offer a distorted reflection.
News & Media
No more so when faced with wearisome, oppressive, tedious productions.
News & Media
Relationships can be complex, and even more so when they're abusive.
Academia
Expert writing Tips
Best practice
Use "more so when" to add a specific condition or circumstance that makes a statement even more applicable or relevant. It's useful for providing additional context and emphasis.
Common error
Avoid using "more so when" repeatedly in close succession, as it can make your writing sound repetitive. Vary your sentence structure and use synonyms to maintain readability.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "more so when" acts as a conjunctive adverbial phrase, introducing a condition that intensifies or amplifies the preceding statement. Ludwig confirms that the phrase is grammatically correct and commonly used.
Frequent in
News & Media
39%
Science
33%
Academia
12%
Less common in
Formal & Business
9%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "more so when" is a grammatically sound and commonly used construction to add a conditional emphasis to a statement. As confirmed by Ludwig, it functions as a conjunctive adverbial phrase, adding context and specifying circumstances under which a statement holds even more strongly. It appears most frequently in News & Media and Science, maintaining a neutral register suitable for diverse writing styles. Be mindful of overuse, but confidently employ this phrase to add depth and clarity to your writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
especially when
Replaces "more so" with "especially", emphasizing a particular circumstance.
particularly when
Similar to "especially when", but with a slightly more formal tone.
even more so if
Changes "when" to "if", presenting a hypothetical condition.
all the more when
Adds emphasis to the degree of impact under certain conditions.
increasingly when
Suggests a growing trend or intensity under specific conditions.
even greater when
Emphasizes the enhanced magnitude or intensity under certain conditions.
to a greater extent when
Formally specifies an increased degree of impact under certain circumstances.
more noticeably when
Highlights the increased visibility or awareness under specific conditions.
significantly more when
Indicates a considerable increase or impact under specific conditions.
markedly when
Highlights the change under some specific conditions.
FAQs
How can I use "more so when" in a sentence?
Use "more so when" to intensify a statement by adding a specific condition. For example, "The work is challenging, "more so when" deadlines are tight".
What are some alternatives to "more so when"?
You can use alternatives such as "especially when", "particularly when", or "all the more when" depending on the context.
Is it correct to say "even more so when"?
Yes, "even more so when" is grammatically correct and commonly used to add further emphasis to a conditional statement. An example: "This task is difficult, "even more so when" you're under pressure".
What's the difference between "more so when" and "especially when"?
"More so when" generally indicates an increased degree of something under a specific condition, while "especially when" highlights a particular condition that makes something notably true or relevant.
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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
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested