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
labeled by
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "labeled by" is correct and usable in written English.
It is used to refer to something that has been labeled or identified in some way, usually by someone else. For example, "The mysterious painting was labeled by the curator as being from the 18th century."
✓ 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
60 human-written examples
The Brodeur collection appeared carefully labeled by subject and date.
News & Media
The dispute concerns an American rule requiring that food products be labeled by country of origin.
News & Media
-- all of these have been labeled by Saakashvili's government as enemies of the revolution.
News & Media
In the children's bedrooms, which were monitored by video cameras, the drawers were labeled by content.
News & Media
CMS fluorescently labeled by covalently bound ICC.
Science
Stereocenters are automatically labeled by the program.
Science
Nuclei are labeled by blue color.
Science
Consider time instants labeled by, respectively.
Each edge is labeled by a trail intensity.
The two known vehicles are labeled by T1and T1and
Edges are labeled by the predicates making the links.
Science
Expert writing Tips
Best practice
When using "labeled by", ensure the context clearly indicates who or what is doing the labeling. This helps avoid ambiguity and strengthens the sentence's clarity.
Common error
Avoid overuse of passive voice when using "labeled by". While grammatically correct, excessive passive voice can make your writing sound weak. Opt for active voice where appropriate for a more direct and engaging style. Instead of "The sample was labeled by the technician", consider "The technician labeled the sample".
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "labeled by" functions as a passive construction, indicating that something has received a label from a specified agent. This usage is supported by examples found via Ludwig, which demonstrate its application across various contexts.
Frequent in
Science
69%
News & Media
22%
Formal & Business
8%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "labeled by" is a grammatically sound and frequently employed passive construction. As Ludwig AI confirms, it serves to indicate the agent responsible for assigning a label and is commonly found in scientific, news, and formal business contexts. When using "labeled by", ensure clarity in attributing the labeling action to avoid ambiguity. Consider using the active voice when appropriate for a more direct writing style. Alternatives such as "identified by" or "designated by" can provide nuanced variations in meaning.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
Identified by
Focuses on recognition rather than the act of labeling.
Designated by
Emphasizes a formal assignment or naming.
Marked by
Suggests a distinguishing feature or characteristic.
Tagged by
Implies the addition of a tag for identification.
Categorized by
Highlights the classification of something into a group.
Characterized by
Emphasizes distinctive attributes or features.
Recognized as
Focuses on public or general acknowledgment.
Classified under
Suggests placement within a specific classification system.
Known as
Highlights a common or familiar name.
Distinguished by
Emphasizes unique qualities that set something apart.
FAQs
How can I use "labeled by" in a sentence?
Use "labeled by" to indicate the agent that assigned a label to something. For example, "The specimen was labeled by the researcher" indicates who did the labeling.
What are some alternatives to "labeled by"?
You can use alternatives like "identified by", "designated by", or "marked by" depending on the specific context.
Is it better to use active or passive voice with "labeled by"?
While "labeled by" is in passive voice and grammatically correct, using the active voice can often make your writing more direct. For example, instead of "The data was labeled by the analyst", you could say "The analyst labeled the data".
What does "labeled by" imply about the labeling process?
"Labeled by" typically implies a formal or deliberate act of assigning a descriptor or identifier to something, often for organizational or informational purposes.
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