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 was classified
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "this was classified" is correct and usable in written English.
You can use it when referring to information or documents that have been designated as confidential or restricted in access. Example: "The report was not available to the public because this was classified information."
✓ Grammatically correct
Science
News & Media
Formal & Business
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
53 human-written examples
"Actually, if they if they knew that this was classified information–I think action should be taken, especially on something of this magnitude.
News & Media
If this occurred by the use of 'bank card or a bank account' this was classified as 'online banking fraud', otherwise, it was considered to be 'online purchase fraud'.
Science
This was classified as a binary variable for high activity which was equal to 0 if respondent scored themselves a 4 or less and was equal to 1 if respondents reported a score of between 5 and 10.
Science
This was classified as a binary variable that was equal to 0 if respondents engaged in mild activity less than three times a week and was equal to 1 if respondent participated in mild activity three or more times a week.
Science
If a particular compound was active and the prediction also envisage the same, then this was classified as true positive (TP); if actual was active and prediction was inactive, then it was false negative (FN); if actual was inactive and prediction was active, then its false positive (FP); and if actual is inactive and prediction is also inactive, then it's true negative (TN) [26].
Science
This was classified information.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
6 human-written examples
It's not as though this were classified intelligence.
News & Media
This is classified as a lesser sexual act.
News & Media
Anything longer than this is classified as chronic insomnia.
News & Media
Using the taxonomy, this is classified as disclosed data.
Big Heterogeneous Data can be output data as well, and this is classified as Big Heterogeneous Output Data.
Science
Expert writing Tips
Best practice
Use "this was classified" when indicating that something has been officially categorized or designated according to specific criteria. Ensure the context clearly explains the basis for classification.
Common error
Avoid using "this was classified" without providing sufficient context about the classification criteria or category. Always clarify what the item was classified as to avoid ambiguity.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "this was classified" functions as a passive construction indicating that a subject has undergone a process of categorization or designation. Ludwig AI shows its common use in formal contexts where precise categorization is important. It highlights the result of a classification action rather than the actor.
Frequent in
Science
62%
News & Media
20%
Formal & Business
4%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "this was classified" is a grammatically sound passive construction widely used to indicate that something has been formally categorized or designated. According to Ludwig AI, it appears frequently in scientific, news, and formal business contexts, reflecting a neutral to formal register. While the phrase is generally correct and usable, it's essential to provide context about the classification criteria and category. For stylistic variation, consider alternatives such as "it was categorized", "it was designated", or "it was deemed", depending on the intended nuance. These insights and recommendations ensure effective communication with precision.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
it was categorized
Changes the verb from "classified" to "categorized", emphasizing the act of placing something into a category.
it was designated
Replaces "classified" with "designated", suggesting a formal assignment or naming.
it was deemed
Substitutes "classified" with "deemed", indicating a judgment or opinion.
it has been categorized
Adds a sense of duration or continuation to the action of classifying.
it was labeled
Uses "labeled" instead of "classified", focusing on the assignment of a label or descriptor.
it was grouped
Emphasizes the act of organizing elements into a collection.
it was defined
Replaces "classified" with "defined", highlighting the establishment of specific characteristics.
it was considered
Substitutes "classified" with "considered", indicating a thought-out assessment.
it was arranged
Emphasizes the act of putting something in a logical order.
the classification was
Reorders the phrase to emphasize the noun "classification" rather than the verb.
FAQs
How can I use "this was classified" in a sentence?
You can use "this was classified" to indicate that something has been officially categorized or designated according to specific criteria. For example, "This document was classified as confidential", or "The data was classified according to risk level".
What are some alternatives to saying "this was classified"?
Alternatives include phrases like "it was "categorized"", "it was "designated"", or "it was "deemed"", depending on the specific nuance you want to convey.
Is it appropriate to use "this was classified" in informal writing?
While grammatically correct, "this was classified" is more common in formal or professional contexts. In informal writing, simpler alternatives like "it was labeled" or "it was grouped" might be more suitable.
What's the difference between "this was classified" and "this is classified"?
"This was classified" refers to a classification that occurred in the past, while "this is classified" indicates a current classification. For example, "This document was classified last year" versus "This information is classified and cannot be shared".
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
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested