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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
chiefly when it
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "chiefly when it" is correct and usable in written English.
It can be used to indicate that something primarily occurs or is relevant during a specific situation or condition. Example: "The project is successful chiefly when it receives adequate funding and support from the community."
✓ Grammatically correct
News & Media
Science
Encyclopedias
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
2 human-written examples
Night Of The Hunter, though not without its faults - chiefly when it becomes a little too obviously arty - is one of those films that seems totally right from beginning to end.
News & Media
H2O2 toxicity arises chiefly when it interacts with O2− in a metal-catalyzed reaction (metal-catalyzed Haber-Weiss, or Fenton, reaction) to form the highly reactive and dangerous ROS, hydroxyl radical (OH-).
Science
Human-verified similar examples from authoritative sources
Similar Expressions
58 human-written examples
How seriously those messages are taken by Congress varies widely, chiefly because, when it comes to interacting with the public, there's really no such thing as Congress per se.
News & Media
In cases seen at an advanced stage of the disease, it is chiefly when sequestra exist that the operation is necessary; though it may be advisable as a means of shortening the treatment in other cases, also, when the patient cannot obtain the prolonged surgical care which is essential to natural recovery".
Often, it feels like the mainstream media pay attention to women's sports chiefly when women's sports are struggling.
News & Media
There are powerful moments, chiefly when the light dims, and the small, crammed stage-space reverberates with loud, low sounds, moans and cries.
News & Media
There are startling moments, chiefly when the man (Lee Kang-sheng) begins to sing an agonised lament in the rain – and in a rare extreme close-up.
News & Media
The set and costumes create magical effects, chiefly when the stage becomes a fast-shifting blur of mirrored panels, reflections and hanging bowls containing hapless live fish.
News & Media
Mr. Giuliani had no public comment on the law guardian who will help the judge make decisions for his children -- chiefly when and how Andrew and Caroline should meet Judith Nathan, Mr. Giuliani's friend.
News & Media
We'll find out through more looking, but, chiefly, when they are looking.
News & Media
That's true chiefly when all the parties come to arbitration with roughly equivalent resources.
News & Media
Expert writing Tips
Best practice
Use "chiefly when it" to clearly indicate the main condition or time when something is most relevant or applicable. This helps to provide focus and context for your statement.
Common error
Avoid using "chiefly when it" in very informal contexts. It can sound overly formal and stilted. Simpler alternatives like "mainly when it" or "mostly when it" may be more appropriate.
Source & Trust
87%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "chiefly when it" functions as an adverbial phrase introducing a subordinate clause, modifying the main clause by specifying the primary condition or circumstance under which the main clause's action or state occurs. According to Ludwig AI, this phrase is correct and usable in English.
Frequent in
News & Media
33%
Science
33%
Encyclopedias
33%
Less common in
Formal & Business
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
"Chiefly when it" is a grammatically correct phrase used to specify the primary conditions under which a statement is valid. While Ludwig AI confirms its usability, this phrase appears with uncommon frequency and tends to have a neutral to formal tone, with greater presence in news, scientific and encyclopedic contexts. When writing, it's best to use "chiefly when it" to highlight the main condition or time, but be mindful of not sounding overly formal. Alternatives such as "mainly when it" or "especially when it" may be preferable depending on the context.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
mainly when it
Emphasizes the primary timing or condition, similar to "chiefly when it", but with a more common word.
primarily when it
Highlights the main circumstances under which something happens, akin to "chiefly when it".
mostly when it
Indicates that something is generally true under certain conditions, like "chiefly when it".
largely when it
Suggests that the condition is a major factor, close in meaning to "chiefly when it".
principally when it
Similar in formality and meaning, highlighting the main condition.
especially when it
Focuses on particular instances or conditions, similar to highlighting key moments.
particularly when it
Draws attention to specific situations, like spotlighting instances.
in the main when it
A more formal variation which indicates a general condition.
above all when it
Emphasizes a preeminent condition, indicating higher importance.
for the most part when it
Suggests that something is generally true under certain conditions, focusing on broader applicability.
FAQs
How can I use "chiefly when it" in a sentence?
Use "chiefly when it" to specify the primary circumstance or time frame in which something occurs. For example: "The strategy works chiefly when it is implemented consistently".
What are some alternatives to "chiefly when it"?
You can use alternatives like "mainly when it", "primarily when it", or "especially when it" depending on the context.
Is "chiefly when it" formal or informal?
"Chiefly when it" leans towards formal usage. In informal situations, consider simpler alternatives like "mostly when it" or "largely when it".
What does "chiefly when it" emphasize in a sentence?
It emphasizes the main or primary condition that needs to be met or the timing that needs to occur for the statement to hold true. It's about highlighting what's most important in that particular situation.
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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
87%
Authority and reliability
4.1/5
Expert rating
Real-world application tested