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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
is not found
Grammar usage guide and real-world examplesUSAGE SUMMARY
"is not found" is correct and usable in written English.
You can use it to indicate that something has not been discovered or located after a search. For example: The missing key was not found during the search of the suspect's house.
✓ Grammatically correct
Science
Academia
News & Media
Alternative expressions(20)
cannot be located
is missing
is absent
is not present
is unavailable
cannot be detected
has not been discovered
is nowhere to be seen
remains unlocated
is not distinguished
is not investigated
is not obtained
is not finished
is not finalized
is not implemented
is not determined
is not located
is not ascertained
is not founded
is not described
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
Molybdenum is not found free in nature.
Encyclopedias
"This is not found footage.
News & Media
Errors if SYMBOL is not found.
This structure is not found in scyphozoans.
This is not found in diesel fumes.
News & Media
Voice is not found in all languages.
Encyclopedias
This bird is not found outside the Americas.
Academia
This species is not found outside the Americas.
Academia
If the label is not found, returns false.
Academia
Returns 0 in case method is not found.
Academia
It is not found at concerts of new music.
News & Media
Expert writing Tips
Best practice
When writing formally, ensure the subject of what "is not found" is clearly stated to avoid ambiguity.
Common error
Avoid using "is not found" in contexts where the actor responsible for not finding something is relevant. Instead, rephrase to include the actor, for example, "researchers did not find" instead of "no correlation is not found".
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "is not found" functions as a passive construction indicating the absence or lack of discovery of something. Ludwig AI confirms its usability in written English, highlighting its role in signifying that an item hasn't been located after a search.
Frequent in
Science
33%
Academia
29%
News & Media
20%
Less common in
Encyclopedias
7%
Wiki
7%
Formal & Business
4%
Ludwig's WRAP-UP
The phrase "is not found" is a grammatically correct and very commonly used passive construction indicating the absence or lack of discovery of something. Ludwig AI confirms its proper usage, noting its function to indicate that an item hasn't been located after a search. Predominantly found in scientific, academic, and news-related contexts, the phrase serves to convey information about something missing or unlocated. Alternatives include "cannot be located", "is missing", and "is absent", which can be used depending on the specific nuance intended. It is important to use the phrase with a clear subject and avoid misusing the passive voice, ensuring clarity and directness in writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
cannot be located
This alternative uses a more formal tone, emphasizing the inability to find something.
is missing
This alternative is more concise and directly states the absence of something.
is not present
This alternative is a straightforward way of saying something is not there.
is absent
This alternative is slightly more formal, highlighting the lack of presence.
is unavailable
This alternative indicates that something exists but cannot be accessed or used.
cannot be detected
This option is suitable when referring to something that can't be sensed or measured.
has not been discovered
This option highlights the lack of finding something through exploration or searching.
is nowhere to be seen
This alternative adds a descriptive element, suggesting a visible absence.
remains unlocated
This alternative emphasizes the ongoing state of being not found.
eludes discovery
This alternative is more poetic, implying that finding something is difficult.
FAQs
How can I use "is not found" in a sentence?
The phrase "is not found" indicates that something is missing or has not been located. For example, "The missing document "is not found" in the archive."
What are some alternatives to the phrase "is not found"?
You can use alternatives such as "cannot be located", "is missing", or "is absent" depending on the context.
Is "is not found" grammatically correct?
Yes, "is not found" is grammatically correct and commonly used in both formal and informal writing.
What's the difference between "is not found" and "cannot be found"?
"Is not found" is a statement of fact that something has not been located. "Cannot be found" implies a stronger sense of impossibility or difficulty in locating something.
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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