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
working on defining
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "working on defining" is a correct and usable part of a sentence in written English.
It is often used to describe the process of determining the meaning or criteria of something. For example: "The marketing team is working on defining key metrics for assessing product success."
✓ Grammatically correct
Science
News & Media
Alternative expressions(2)
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
"If you listen to my first album, the songs were very deep house and more based in instruments and vocals; I was still working on defining my style.
News & Media
Since then, groups have been working on defining the criteria for meaningful use.
News & Media
Hip Arthroplasty, Melanoma and Non-Hodgkin Lymphomas had completed their implementation phase, and the MTs were working on defining the quality indicators to begin monitoring.
Science
However, the aforementioned RDF databases used different application-oriented ontologies, so our community is working on defining the set of properties and classes to be used in an RDF representation of orthology.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
54 human-written examples
In terms of third-party mediation the Syrians are in favour of indirect talks through Turkey, which has already worked on defining the 1967 border.
News & Media
While the palm oil industry and the Malaysian government works on defining sustainable palm oil, I hope they will take more effective measures to ensure that dipterocarpus coriaceus, will be the last thing to go extinct in Malaysia.
News & Media
Most cell biologists like to work on defined proteins or periodic structures that allow experimental rigor by established criteria.
Science
Since the 1960s the ILAE have worked on defining, classifying and agreeing on the terminology used in human epilepsy [ 8– 14].
Science
Just as most work on defining SBs focuses on two genomes at a time, so is whole-genome alignment usually done pairwise.
Science
This is illustrated by initiatives in the United Kingdom on salt reduction and labelling (Food Standards Agency, 2005, 2009), and in Europe and Australia, where legislative bodies work on defining nutrient criteria for foods that are eligible to carry a health claim (Food Standards Australia New Zealand, 2007; EU Regulation (EC), 2007).
Things they work on are well defined.
News & Media
Expert writing Tips
Best practice
Use "working on defining" when you want to emphasize the ongoing and iterative nature of the definition process. It implies that the definition is not yet final and is still under development.
Common error
Don't use "working on defining" when the definition is already well-established or universally understood. In such cases, a more direct phrase like "using the definition of" or "applying the concept of" would be more appropriate.
Source & Trust
81%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "working on defining" functions as a gerund phrase, acting as a noun. It describes an activity in progress, indicating that the process of establishing a clear and precise definition is underway. Ludwig's examples confirm this use in various contexts.
Frequent in
Science
50%
News & Media
37%
Formal & Business
13%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "working on defining" is a gerund phrase used to describe the ongoing process of establishing the meaning or scope of something. Ludwig AI confirms that this phrase is grammatically correct and commonly used in both scientific and general contexts. While it is more frequent in scientific and news-related content, its neutral to professional register makes it suitable for various discussions where clarity and precision are key. When using this phrase, remember to emphasize the iterative nature of the definition process and avoid using it when the definition is already well-established.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
developing a definition for
Changes the verb from a continuous action to a more static state, focusing on the result.
establishing the meaning of
Replaces "defining" with "establishing the meaning," offering a more formal tone.
refining the concept of
Emphasizes the improvement of an existing concept rather than its initial creation.
clarifying the definition of
Highlights the act of making a definition clearer, implying potential ambiguity beforehand.
working to establish
Shifts the focus to the effort of establishing something, rather than the act of defining.
creating a clear definition of
Focuses on the creation of a clear and understandable definition.
in the process of defining
Adds emphasis to the ongoing nature of the defining activity.
attempting to define
Suggests an effort to define, which may or may not be successful.
shaping the definition of
Implies a gradual formation of a definition, suggesting influence or manipulation.
formulating a definition for
Focuses on the systematic and precise expression of a definition.
FAQs
How can I use "working on defining" in a sentence?
You can use "working on defining" to describe an ongoing process of establishing the meaning or scope of something. For example, "The committee is working on defining the new company policy."
What are some alternatives to "working on defining"?
Alternatives include "developing a definition for", "establishing the meaning of", or "refining the concept of", depending on the specific context.
Is it always appropriate to use "working on defining"?
No, it's more appropriate when the definition is still in progress. If the definition is already clear, using phrases like "applying the definition" might be more suitable.
What's the difference between "working on defining" and "defining"?
"Working on defining" suggests an ongoing process, while "defining" implies a more definitive or completed action. Use "working on defining" when the task is not yet finished.
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
81%
Authority and reliability
4.1/5
Expert rating
Real-world application tested