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 occupied with
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "chiefly occupied with" is correct and usable in written English.
It can be used to describe someone or something that is primarily focused on a particular activity or subject. Example: "The researcher is chiefly occupied with studying the effects of climate change on marine life."
✓ Grammatically correct
Encyclopedias
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
4 human-written examples
While his early work was devoted to number theory and analysis, after 1900 he was chiefly occupied with probability theory.
Encyclopedias
During the last 25 years of his life, Humboldt was chiefly occupied with writing Kosmos, one of the most ambitious scientific works ever published.
Encyclopedias
After 1885 Dobson was chiefly occupied with biographical and critical works: books on Henry Fielding, Thomas Bewick, Richard Steele, Oliver Goldsmith, Horace Walpole, William Hogarth, Samuel Richardson, and Fanny Burney revealed careful research into, and sympathy with, 18th-century life.
Encyclopedias
Messi and Javier Zanetti, Inter's veteran left-back and his fellow Argentina international, may have exchanged affectionate kisses as the teams shook hands before the kick-off, but thereafter Barcelona's No10 spent the early stages of the match drifting away from his compatriot, who found himself chiefly occupied with the advances of Pedro.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
56 human-written examples
For this birthday he and his wife, Norris Church, are planning a small party for friends at their house in Brooklyn, now chiefly occupied by various Mailer offspring.
News & Media
Others are occupied with other political battles.
News & Media
Men were occupied with hunting and warfare.
Encyclopedias
My mind was always occupied with this".
Science
Keeps your mind occupied with constructive thoughts.
Wiki
These data contrasted slightly with results from a degradomics study, which identified a minority of caspase-2 substrates in which non-asparatate residues (chiefly glutamate) occupied the P4 position, although these substrates tended to be less sensitive to caspase-2 than proteins with aspartates at P4 [ 41].
Science
It has a triclinic framework structure with silicon and aluminum in tetrahedral (fourfold) coordination, which forms relatively large void spaces (i.e., crystallographic sites) occupied chiefly by sodium cations.
Encyclopedias
Expert writing Tips
Best practice
Use "chiefly occupied with" when you want to emphasize that a person or entity spends the majority of their time or effort on a specific activity or subject. This phrasing conveys a sense of primary focus and engagement.
Common error
Avoid using "chiefly occupied with" when the focus is not truly primary. If the subject is involved in multiple activities of similar importance, consider alternatives like "also involved in" or "partially concerned with" to accurately reflect the distribution of effort.
Source & Trust
84%
Authority and reliability
4.3/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "chiefly occupied with" functions as an adjective phrase, modifying a noun or pronoun to describe the primary activity or concern that someone or something is engaged in. As Ludwig AI suggests, it highlights a dominant focus or preoccupation.
Frequent in
Encyclopedias
25%
News & Media
25%
Science
25%
Less common in
Wiki
25%
Formal & Business
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, "chiefly occupied with" is a grammatically sound phrase used to denote the primary focus of an individual or entity. As Ludwig AI has stated, it is deemed grammatically correct and suitable for use in written English. Though not extremely common, its presence across encyclopedias, news sources, scientific papers and wikis indicates its acceptability and versatility in describing primary occupations or concerns. When using this phrase, ensure that the focus is indeed primary, and consider alternatives like "mainly concerned with" if the focus is less dominant.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
mainly concerned with
Replaces "occupied" with "concerned", focusing on the subject's primary area of concern rather than activity.
primarily engaged in
Substitutes "occupied" with "engaged", highlighting active involvement in a particular activity.
largely involved in
Replaces "chiefly" with "largely" and "occupied" with "involved", suggesting a significant degree of participation.
mostly dedicated to
Changes the focus to dedication, implying commitment to a specific task or purpose.
principally devoted to
Similar to dedicated, but with a stronger emphasis on commitment and focus.
predominantly focused on
Replaces "occupied" with "focused", emphasizing the subject's concentration on a specific area.
primarily concentrated on
Highlights the concentration aspect, indicating a central area of attention.
mainly absorbed in
Suggests a state of being deeply engrossed or immersed in a particular activity.
chiefly engrossed in
Replaces "occupied" with "engrossed", emphasizing deep immersion and engagement.
mostly immersed in
Focuses on the immersive aspect, indicating complete involvement in a particular activity.
FAQs
How can I use "chiefly occupied with" in a sentence?
Use "chiefly occupied with" to describe someone or something primarily focused on a particular activity. For example: "The researcher is chiefly occupied with studying the effects of climate change."
What are some alternatives to "chiefly occupied with"?
You can use alternatives such as "mainly concerned with", "primarily engaged in", or "largely involved in" depending on the specific nuance you want to convey.
What is the difference between "chiefly occupied with" and "mostly occupied with"?
"Chiefly occupied with" implies a principal focus, while "mostly occupied with" suggests a significant but potentially not dominant focus. The choice depends on whether you want to emphasize the primary activity or simply a major one.
Is "chiefly occupied by" grammatically correct?
While "chiefly occupied with" describes active engagement, "chiefly occupied by" describes a space or entity's main occupants. For example: "The house is chiefly occupied by students."
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
84%
Authority and reliability
4.3/5
Expert rating
Real-world application tested