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
classified among
Grammar usage guide and real-world examplesUSAGE SUMMARY
"classified among" is a correct phrase that can be used in written English.
It means to group something with others in the same category. For example, "This type of plant is classified among the most hardy species."
✓ Grammatically correct
Science
News & Media
Encyclopedias
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
60 human-written examples
Furthermore he pointed out Aliko Dangote, a Nigerian businessman, "was recently classified among the 25 richest people in the world".
News & Media
Both are classified among the sulfide minerals, although they contain no sulfur.
Encyclopedias
Ms. Philipsz is hesitant to be classified among the new generation of artists experimenting with sound and questions those who use more industrial noises.
News & Media
Her fault — her crime — was having been born a Jew, and as such she was classified among those who had no right to exist: not as a subject people, not as an inferior breed, not even as usable slaves.
News & Media
Vibrations are classified among the major problems for engineering structures.
Science
Cortico-basal degeneration (CBD) is classified among focal atrophies.
Science
Two groups of elements are classified among coal seams.
Medication-overuse headache (MOH) is classified among secondary headache.
Polychlorinated biphenyls (PCBs) are persistent pollutants classified among endocrine disruptors and human carcinogens.
Science
Eight types of buildings, classified among three criteria (air-conditioning, thermal inertia and climate), are studied.
Science
These methodologies can be classified among those that use heuristics and those that use mathematical optimization techniques.
Expert writing Tips
Best practice
When using "classified among", ensure that the criteria for classification are clearly defined and consistently applied to maintain clarity and avoid ambiguity.
Common error
Avoid overgeneralization; ensure that the classification is specific and accurate. Do not use "classified among" if the item only shares superficial similarities with the group.
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "classified among" functions as a verb phrase indicating the act of categorizing or assigning something to a specific group. As Ludwig AI indicates, the phrase is used to group something with others in the same category. For example, "This type of plant is classified among the most hardy species."
Frequent in
Science
66%
News & Media
18%
Wiki
5%
Less common in
Encyclopedias
3%
Formal & Business
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "classified among" is a common and grammatically correct way to indicate that something belongs to a specific category or group. Ludwig AI confirms its utility in written English for grouping items with similar characteristics. As demonstrated by Ludwig's examples, the phrase appears most frequently in scientific contexts, followed by news and media. When writing, ensure that the classification criteria are clear and consistently applied. Alternatives such as "categorized within" or "grouped with" can be used depending on the desired level of formality. Avoid overgeneralization and ensure the classification is accurate to maintain clarity.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
categorized within
Replaces 'classified' with 'categorized', offering a more direct synonym while maintaining the overall meaning of inclusion.
grouped with
Substitutes 'classified among' with a simpler, more common expression indicating that something is placed in a particular group.
included among
Uses 'included' instead of 'classified', highlighting the act of being part of a larger set or category.
listed within
Implies a formal listing or enumeration, suggesting a structured classification process.
considered part of
Focuses on the idea that something is regarded as belonging to a specific category or group.
ranked alongside
Indicates that something is not only classified but also ranked or positioned relative to other items.
regarded as belonging to
Emphasizes the perception or view that something fits into a certain classification.
assigned to the category of
Highlights the action of assigning something to a specific category, often in a formal or official context.
identified as a member of
Focuses on the identification process, suggesting that something has been recognized and placed within a group.
placed in the class of
Uses the term 'class' to denote a specific category, often in scientific or academic contexts.
FAQs
How can I use "classified among" in a sentence?
You can use "classified among" to indicate that something belongs to a particular group or category based on shared characteristics. For example, "This species is classified among the endangered animals".
What are some alternatives to using "classified among"?
Alternatives include "categorized within", "grouped with", or "included among", depending on the context and desired level of formality.
Is there a difference between "classified among" and "categorized among"?
While both phrases are similar, "categorized among" ("categorized within") might imply a more systematic or structured approach to grouping items, whereas "classified among" is a more general term for placing items into categories.
When is it appropriate to use "classified among" in formal writing?
"Classified among" is appropriate in formal writing when you need to clearly indicate that something belongs to a specific category or group based on defined criteria, such as in scientific papers, legal documents, or official reports.
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
4.5/5
Expert rating
Real-world application tested