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
chiefly in
Grammar usage guide and real-world examplesUSAGE SUMMARY
"chiefly in" is a grammatically correct phrase and is commonly used in written English.
It is typically used to describe something that primarily occurs or is found in a certain place, time, or situation. Example: The majority of the population is located chiefly in urban areas. In this sentence, "chiefly in" is used to indicate that the population mainly resides in urban areas, but may also have a presence in other areas. Another example: The novel is set chiefly in the 19th century. Here, "chiefly in" is used to show that the story is primarily taking place during the 19th century, but may also have scenes or references to other time periods.
✓ Grammatically correct
Encyclopedias
News & Media
Science
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
59 human-written examples
These are chiefly in music.
News & Media
Some books are read chiefly in a triangular fashion.
News & Media
Their differences lie chiefly in styling, prices and trim.
News & Media
The products of digestion are absorbed chiefly in the midgut.
Encyclopedias
From about 1927 he worked chiefly in watercolour.
Encyclopedias
Corn (maize) is grown chiefly in eastern Guizhou.
Encyclopedias
Grass finches live chiefly in hot open country near rivers.
Encyclopedias
Most gums are used chiefly in water-remoistenable products.
Encyclopedias
Industrial development, concentrated chiefly in the provincial capitals, is slight.
Encyclopedias
Symphylans occur worldwide but chiefly in the tropics.
Encyclopedias
Ferrimagnetism occurs chiefly in magnetic oxides known as ferrites.
Encyclopedias
Expert writing Tips
Best practice
Use "chiefly in" to specify where something is most commonly found or occurs, avoiding ambiguity by clearly defining the context.
Common error
While grammatically sound, relying too heavily on "chiefly in" can make your writing sound repetitive. Vary your language with synonyms like "primarily in" or "mainly in" to enhance readability.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "chiefly in" functions as a prepositional phrase that modifies a verb or noun, indicating the primary location, area, or context in which something occurs or is found. Ludwig AI validates this with numerous examples across various sources.
Frequent in
Encyclopedias
31%
News & Media
30%
Science
25%
Less common in
Wiki
8%
Formal & Business
6%
Ludwig's WRAP-UP
In summary, the phrase "chiefly in" serves as a prepositional phrase indicating the primary location or context of something. Ludwig AI confirms its grammatical correctness and frequent usage across diverse domains, particularly in encyclopedias, news media, and scientific publications. While versatile, it is important to consider synonyms like "mainly in" or "primarily in" to prevent repetition. The phrase's register tends toward neutral to formal, making it suitable for a wide range of writing contexts.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
mainly in
Indicates the main location or area, similar to "chiefly in" but with a slightly more general emphasis.
primarily in
Emphasizes the main or most important area, similar to "chiefly in" but with a stronger focus on importance.
largely in
Indicates a significant portion or extent, similar to "chiefly in" but focusing on quantity or proportion.
mostly in
Highlights the majority or greatest part, close to "chiefly in" but emphasizing numerical dominance.
predominantly in
Indicates the prevailing or dominant presence, similar to "chiefly in" but with a focus on overall influence.
principally in
Focuses on the main principle or reason for something being in a specific place.
particularly in
Highlights a specific instance or case where something is found.
especially in
Emphasizes a specific area or situation where something is more prominent.
above all in
Highlights a preeminence in a particular place or situation, adding emphasis.
to a great extent in
Emphasizes the degree to which something is present or occurs in a certain area.
FAQs
What does "chiefly in" mean?
The phrase "chiefly in" means mainly or primarily in a specific place, area, or context. It indicates where something is most commonly found or occurs.
How can I use "chiefly in" in a sentence?
Use "chiefly in" to specify where something is most common. For example, "The population lives "mainly in" urban areas".
What can I say instead of "chiefly in"?
You can use alternatives like "primarily in", "mainly in", or "largely in" depending on the context.
Is there a difference between "chiefly in" and "especially in"?
"Chiefly in" denotes the main location or occurrence, while "especially in" highlights a particular instance where something is notable or prominent. The term "especially in" does not denote an area, but calls attention to one particular instance.
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
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested