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
could not be located
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "could not be located" is correct and usable in written English.
It can be used when referring to something or someone that is missing or cannot be found. Example: "The missing report could not be located in the archives, leading to further investigation."
✓ Grammatically correct
News & Media
Science
Alternative expressions(19)
could not be found
could not be reached
went missing
could not be identified
could not be ascertained
could not be accommodated
did not surface
were not ascertained
remained undetected
were missing
were not discovered
were not found
proved elusive
were not enough
have not been found
were absent
were not indicated
were not identified
were not understood
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
52 human-written examples
Others simply could not be located.
News & Media
Dr. Zou could not be located.
News & Media
Mr. Taylor's relatives could not be located.
News & Media
His lawyer could not be located.
News & Media
Mr. Lucas could not be located.
News & Media
Mr. Bissonnette could not be located.
News & Media
They could not be located for comment.
News & Media
Two could not be located at all.
News & Media
The drone pilot could not be located.
News & Media
The family could not be located for an interview.
News & Media
Mr. Bickerstaff could not be located for comment.
News & Media
Expert writing Tips
Best practice
When using "could not be located", ensure the context clearly indicates who or what was being searched for and the efforts made to find them/it. For example, specify the search area or the methods used.
Common error
While "could not be located" is grammatically sound, avoid overuse of passive voice. Sometimes, active voice provides a more direct and engaging sentence. For instance, instead of "The error could not be located", consider "We could not locate the error".
Source & Trust
88%
Authority and reliability
4.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "could not be located" primarily functions as a passive construction, indicating that the subject was the recipient of the action (locating) but the action was unsuccessful. It's frequently used in reporting and investigative contexts, as shown by Ludwig.
Frequent in
News & Media
74%
Science
24%
Wiki
2%
Less common in
Formal & Business
0%
Encyclopedias
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, "could not be located" is a grammatically correct and commonly used passive construction signifying the failure to find someone or something. As Ludwig AI confirms, it appears most frequently in News & Media and Science contexts. While appropriate, consider alternatives like ""could not be found"" for stylistic variation and avoid passive voice overuse. To make your writing clear, explicitly state who or what you tried to locate and how. This phrase serves the purpose of informing about unsuccessful searches, typically in neutral or professional registers.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
could not be found
Direct synonym, focusing on the inability to discover the whereabouts.
was unable to be found
More formal phrasing, emphasizing the lack of ability to find something or someone.
remained untraceable
Highlights the inability to follow or discover someone's path or current location.
proved impossible to find
Emphasizes the difficulty and ultimate failure in locating something or someone.
could not be reached
Specifically indicates the inability to contact someone, implying they may be in a known location but unreachable.
went missing
Indicates that someone or something has disappeared, with a stronger implication of unexpected absence.
was nowhere to be seen
Emphasizes the absence and lack of visibility of someone or something in a particular area.
could not be identified
Highlights the inability to recognize or determine the identity of someone or something.
eluded detection
Implies that someone or something has actively avoided being found or noticed.
could not be ascertained
Focuses on the inability to determine or establish something, usually a fact or piece of information, rather than a physical location.
FAQs
What does "could not be located" mean?
The phrase "could not be located" means that someone or something was searched for, but their whereabouts could not be determined. It indicates an inability to find a person, object, or piece of information.
What are some alternatives to "could not be located"?
Alternatives include "could not be found", "was unable to be found", or "remained untraceable". The best choice depends on the specific context and the nuance you want to convey.
How is "could not be located" used in a sentence?
You might say, "The missing documents "could not be located" despite a thorough search of the office". It's often used when reporting investigations or searches.
What is the difference between "could not be located" and "could not be reached"?
"Could not be located" implies an unknown location. "Could not be reached" suggests the location might be known, but communication is impossible. For example: "The suspect "could not be located"", versus "The CEO "could not be reached" for comment".
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
88%
Authority and reliability
4.8/5
Expert rating
Real-world application tested