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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
been defined
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "been defined" is correct and usable in written English.
It is typically used in contexts where something has been established or described in a specific way, often in reference to concepts, terms, or parameters. Example: "The term 'sustainability' has been defined in various ways by different organizations."
✓ Grammatically correct
Science
News & Media
Academia
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
His new position has not been defined.
News & Media
Six EBV classes have been defined.
Science & Research
Continue this process until has been defined.
Academia
"The will of the people has been defined," he said.
News & Media
Batman has always been defined by his Batwear.
News & Media
Haiti's existence has largely been defined by chaos.
News & Media
Miyamoto's career at Nintendo has been defined by his tenacity.
News & Media
The concept of sustainable development has been defined as profitable.
News & Media
"Terms such as radicalisation have not been defined or quantified.
News & Media
Their careers have been defined by big right hands.
News & Media
Our era has been defined by falling monuments.
News & Media
Expert writing Tips
Best practice
When using "been defined", ensure that the context clearly indicates who or what is doing the defining. This adds clarity and authority to your statement.
Common error
While "been defined" is grammatically correct, overuse of passive voice can make your writing sound weak. Consider rephrasing with an active voice to make your sentences more direct and engaging.
Source & Trust
86%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "been defined" functions as part of the passive perfect construction, indicating that an action of defining has been completed. This structure is commonly used when the actor performing the definition is unknown or less important than the thing being defined. Ludwig provides numerous examples of its use across various contexts.
Frequent in
Science
40%
News & Media
35%
Academia
15%
Less common in
Encyclopedias
5%
Formal & Business
3%
Reference
2%
Ludwig's WRAP-UP
The phrase "been defined" is a grammatically sound and frequently used construction in English. Ludwig AI confirms its correctness and usability. As a passive perfect construction, it commonly appears in academic, scientific, and news contexts, serving to establish a shared understanding of terms and concepts. While appropriate for formal writing, writers should be mindful of potential overuse of the passive voice and consider active voice alternatives for stronger sentence structure. The prevalence of examples from sources like The New York Times, The Guardian, and Nature underscores its widespread acceptance and utility in formal communication.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
has been determined
Focuses on the act of determining something, often implying a more conclusive or precise finding.
has been established
Emphasizes the creation or confirmation of something, such as a rule or standard.
has been clarified
Highlights the process of making something clearer or easier to understand.
has been specified
Indicates that something has been described in detail or with precision.
has been characterized
Focuses on describing the distinctive nature or features of something.
has been designated
Implies that something has been officially chosen or assigned a particular role.
has been identified
Highlights the act of recognizing or discovering something.
has been delineated
Emphasizes the process of marking or defining the boundaries of something.
has been explained
Focuses on providing a clear and understandable account of something.
has been interpreted
Highlights the act of understanding or explaining the meaning of something in a particular way.
FAQs
How can I use "been defined" in a sentence?
You can use "been defined" to indicate that something has had its meaning or characteristics established. For example, "The term 'sustainability' has "been defined" in various ways by different organizations."
What are some alternatives to "been defined"?
Alternatives include phrases like "has been determined", "has been established", or "has been clarified", depending on the specific nuance you want to convey.
Is it better to use active or passive voice with "define"?
While "been defined" is grammatically correct in the passive voice, using the active voice (e.g., "Researchers define...") can sometimes make your writing more direct and impactful. The best choice depends on the context and your desired emphasis.
What's the difference between ""been defined"" and "defined"?
"Been defined" is used in the passive perfect tense to indicate that something has been defined at some point in the past. "Defined" can be the past tense (e.g., "They defined the term yesterday") or a participial adjective (e.g., "the well-defined term").
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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
4.6/5
Expert rating
Real-world application tested