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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
is not functioning
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "is not functioning" is correct and usable in written English.
It can be used to describe something that is not working or operating as intended, such as a device, system, or process. Example: "The printer is not functioning, so we need to troubleshoot the issue before we can print the documents."
✓ Grammatically correct
News & Media
Science
Formal & Business
Encyclopedias
Wiki
Alternative expressions(20)
is not play
lacks efficacy
is inoperative
is a waste of time
is defective
is malfunctioning
has not been engaged
is not viable
is failing to produce results
fails to deliver results
is not effective
is underperforming
is unsuccessful
is not real
is not capable
is not working
is not efficient
has not stopped working
has not been working
is not forceful
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
58 human-written examples
The perfect lineup is not functioning perfectly.
News & Media
"Thus often no one is thinking about how well the community is (or is not) functioning".
News & Media
The city government is not functioning in a rational and coherent way".
News & Media
The problem now, as in 1929 to 1940, is that the economy is not functioning normally.
News & Media
It is not functioning in a way that necessarily reflects economic reality.
News & Media
If the heat is not functioning properly, note both indoor and outdoor temperature.
News & Media
The external sphincter can maintain continence even if the internal sphincter is not functioning.
Encyclopedias
"This encourages extremism, when people see that even the formal Arab system is not functioning, not operating.
News & Media
But Skyguide's own rules call for both controllers to remain on duty when the alarm system is not functioning.
News & Media
Farmers are also consumers but right now that market is not functioning and they are being denied choice.
News & Media
"This does seem to be a sign that something is not functioning in the way society resolves conflicts," he said.
News & Media
Expert writing Tips
Best practice
When describing a system or process that isn't working, use "is not functioning" to indicate a problem with its intended operation. For example, "The website's search function is not functioning correctly, making it difficult for users to find what they need."
Common error
Avoid using "is not functioning" in overly casual contexts where "is not working" would be more natural. While technically correct, it can sound stilted in everyday conversation. For example, instead of saying "My pen is not functioning", say "My pen is not working."
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "is not functioning" primarily serves as a predicate in sentences, indicating that a subject is unable to perform its intended function. As Ludwig AI confirms, this phrase is a standard way to describe a lack of proper operation.
Frequent in
News & Media
39%
Science
37%
Formal & Business
7%
Less common in
Encyclopedias
3%
Wiki
2%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "is not functioning" is a grammatically sound and widely used expression to describe something that is not working or operating correctly. Ludwig AI's analysis, confirmed by numerous real-world examples, indicates its prevalence across diverse contexts, including news, scientific research, and formal communications. While "is not working" serves as a more informal alternative, "is not functioning" offers a slightly more technical or professional tone. Understanding its usage patterns and potential alternatives enhances clarity and precision in writing, enabling effective communication across varied audiences.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
is not working
This is a direct synonym, implying a failure to operate correctly.
is out of order
Suggests a temporary disruption or breakdown, often used for machines or systems.
is not operating
Implies a cessation of activity or a failure to run.
is not running
Focuses on the lack of ongoing activity or process.
is not in service
Indicates that something is temporarily or permanently unavailable for use.
is non-operational
A more formal way of saying something is not capable of being used.
is broken down
Suggests a complete failure, often requiring repair.
is defective
Indicates an inherent flaw preventing proper operation.
is impaired
Suggests a reduced or diminished capability to function.
is malfunctioning
Implies that something is working improperly or erratically.
FAQs
What does "is not functioning" mean?
The phrase "is not functioning" means something isn't working or operating as intended. It describes a state where a device, system, or process isn't performing its designed task correctly.
How can I use "is not functioning" in a sentence?
You can use "is not functioning" to describe anything that's failing to work properly. For example, "The security system "is not functioning", so we need to call the technician."
What are some alternatives to "is not functioning"?
Alternatives include "is not working", "is out of order", or "is not operating". The best choice depends on the specific context.
Is it better to say "is not functioning" or "is not working"?
Both phrases are correct, but "is not working" is more common in everyday speech. "Is not functioning" is slightly more formal and often used in technical or professional settings.
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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
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested