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
this has been characterized
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "this has been characterized" is correct and usable in written English.
You can use it when describing how something has been defined or identified in a particular way, often in academic or formal contexts. Example: "In recent studies, this has been characterized as a significant factor in climate change."
✓ Grammatically correct
Science
News & Media
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
3 human-written examples
"This has been characterized as Tesla vs. Uber," he said.
News & Media
This has been characterized by micro analysis, UV Vis, 1H, 13C and 119Sn NMR spectroscopy and the single crystal X-ray.
This has been characterized in various models of experimental septic shock.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
This impression has been characterized in popular cartoon figures of a heavy-browed Neanderthal in a jaunty fedora.
News & Media
This Series has been characterized by its errors and mistakes, and two unusual endings.
News & Media
In short, the problem may not be too much money chasing too few goods, as in the past; indeed, this cycle has been characterized by an almost total lack of inflation.
News & Media
At present, there are only 22 enzymes in this group has been characterized.
Science
This phase has been characterized by optical textural, DSC, tilt angle and helicoidal pitch studies.
Science
This method has been characterized by real time, in situ and continuous measurement.
Science
However, this growth has been characterized by a myriad of challenges.
This structure has been characterized as humidity sensor manufactured by printing techniques on a flexible substrate.
Expert writing Tips
Best practice
When using "this has been characterized", ensure that the context clearly indicates who is doing the characterizing and what criteria they are using. This adds clarity and strengthens your argument.
Common error
Avoid using "this has been characterized" in casual or informal writing. Opt for simpler alternatives like "this is known as" or "this is seen as" to maintain a natural and approachable tone.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "this has been characterized" functions as a passive voice construction. It is used to indicate that a subject has been defined, described, or classified in a particular way. Ludwig provides examples illustrating its usage across various fields.
Frequent in
Science
66%
News & Media
33%
Formal & Business
0%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "this has been characterized" functions as a passive voice construction to express how a subject has been defined, described, or classified. According to Ludwig, it's grammatically correct and most commonly found in formal and scientific contexts, with less frequent use in news and media. Ludwig AI's analysis indicates the phrase's register leans towards formality, making it suitable for academic writing. When incorporating the phrase, clarity about who is doing the characterizing is essential. For more casual scenarios, alternatives like "this is known as" or "this is seen as" might be more appropriate.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
this was described as
Replaces "characterized" with "described", offering a slightly less formal tone and focusing on a general depiction.
this was identified as
Substitutes "characterized" with "identified", emphasizing the act of recognizing or discovering something specific.
this is defined as
Uses "defined" instead of "characterized", highlighting a formal or precise explanation of something.
this can be understood as
Employs "understood" instead of "characterized", shifting the focus to interpretation and comprehension.
this has been classified as
Replaces "characterized" with "classified", stressing categorization or systematic arrangement.
this is known as
Substitutes "characterized" with "known", emphasizing common knowledge or widespread recognition.
this is regarded as
Uses "regarded" instead of "characterized", highlighting a particular perspective or viewpoint.
this presents itself as
Replaces "has been characterized" with "presents itself as", focusing on how something appears or manifests.
this is interpreted as
Substitutes "characterized" with "interpreted", focusing on subjective understanding and meaning.
this is represented as
Uses "represented" instead of "characterized", highlighting a specific portrayal or depiction of something.
FAQs
How can I use "this has been characterized" in a sentence?
Use "this has been characterized" to describe how something has been defined or classified, especially in formal or academic writing. For example, "This phenomenon "this has been characterized" as a significant factor in economic downturns".
What can I say instead of "this has been characterized"?
You can use alternatives like "this was described as", "this was identified as", or "this is defined as" depending on the context.
Which is correct, "this has been characterized" or "this is characterized"?
"This has been characterized" implies that the characterization happened at some point in the past and continues to be relevant, while "this is characterized" describes a current state or ongoing characteristic. Choose the option that best reflects the intended meaning.
What's the difference between "this has been characterized" and "this is considered"?
"This has been characterized" suggests a more formal or technical definition, whereas "this is considered" implies a more general or subjective viewpoint. The former is often used in scientific or academic contexts, while the latter is more common in everyday language.
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
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested