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
does not function well
Grammar usage guide and real-world examplesUSAGE SUMMARY
"does not function well" is correct and usable in written English.
You can use it when you want to emphasize that something is not working properly. For example: "The air conditioner does not function well and needs to be repaired soon."
✓ Grammatically correct
Heart Failure
Marxist Analysis
Community Needs
Interface Design
Watch Complications
Offensive Performance
Labor Market
Biodiesel Use
Lettings Sector
Urban Development
Wireless LAN Protocol
Team Combination
Human Mind
Human Body
Medical Training
Regulation Strategies
NF κB Concentration
Cap Binding Protein
Interhospital Cooperation
GSE Scale
Public Sector
Home Theater PC
Government Industry
Brain Function
Court System
Meritocracy
Divorced Family
Relationships
Democracy
Physical Limitations
Purchasing Decisions
Market Regulations
Disease Assessments
Parental Leave
Representations of Violence
Vein Health
Robots
Fuel Injectors
Team Dynamics
ADHD
Political Parties
Career Stability
Social Environment
Website Design
Credence Goods
Interest Rates
Foam Overlays
Work Problems
Environment Committees
Drug Quality
Governing Bodies
Benzene Metabolites
Ecdysis
PILs
Decision-Making
Parish Website
Alternative expressions(20)
is not working properly
performs poorly
is deficient in its function
does not operate effectively
is not up to par
exhibits impaired functionality
does not function properly
does not work well
does not function very
does not survive well
does not run well
does not function appropriately
does not function better
does not function adequately
does not function correctly
doesn't work well
will not work well
do not work well
does not fare well
does not end well
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
22 human-written examples
Some of them, however, now live with heart failure a heart that does not function well.
Academia
And for that reason Marxism does not function well in analyzing real companies in real markets.
Academia
"This does not function well for the community and library needs of North Beach".
News & Media
The new interface does not function well on smartphones, and a tablet or desktop/laptop computer is recommended.
Academia
"When they attempt a complication, frequently the model does not function well because development times cannot be compressed.
News & Media
The Atlanta offense does not function well on the opponent's side of the field, and the Falcons have only six touchdowns, tied for last in the league.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
38 human-written examples
Despite the ongoing narrative of "lazy/greedy government workers," the reality is that any industry doesn't function well if it doesn't have enough people.
News & Media
The part of your brain responsible for memory consolidation doesn't function well for five to 20 minutes after you wake up and doesn't reach its peak efficiency for a couple of hours.
News & Media
But if the court system doesn't function well, or if it's kind of left leaning and supporting the rights of the person living in the home, you might not be able to get it.
Academia
Rather, it is partly a result of a meritocracy that doesn't function well enough.
News & Media
4. The long-term effects of coming from a divorced family may not be negative relative to coming from an "intact" family that doesn't function well.
News & Media
Expert writing Tips
Best practice
When describing complex systems, use "does not function well" to indicate a specific area of malfunction without overgeneralizing. This provides clarity and allows for targeted troubleshooting.
Common error
Avoid using "does not function well" excessively in formal reports. Instead, opt for more precise language like "exhibits impaired functionality" or "operates suboptimally" to maintain a professional tone.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "does not function well" serves as a descriptive statement, indicating that something is operating in a less than optimal manner. According to Ludwig AI, this phrase is grammatically correct and commonly used.
Frequent in
News & Media
32%
Science
31%
Academia
21%
Less common in
Wiki
3%
Encyclopedias
2%
Formal & Business
0%
Ludwig's WRAP-UP
The phrase "does not function well" is a grammatically sound and frequently used expression to indicate that something is operating suboptimally. Ludwig AI validates its correctness and common usage. It is context-neutral, fitting diverse scenarios from technical malfunctions to abstract systemic issues. While often found in academic and news contexts, more precise alternatives may suit formal reports. When choosing alternatives, consider the nuance: "is not working properly" is general, while "performs poorly" emphasizes substandard performance. Avoiding overuse and opting for precise language where possible ensures clear and effective communication.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
does not operate effectively
Emphasizes the lack of effective operation, focusing on the operational aspect.
is not working properly
A more general and common way to express that something is malfunctioning.
performs poorly
Highlights the substandard performance, indicating a failure to meet expectations.
is not up to par
Implies that the subject is below the required standard or expectation.
is deficient in its function
A more formal way to state that the function is lacking or inadequate.
exhibits impaired functionality
Focuses on the presence of impaired functionality, often used in technical contexts.
is not in good working order
Highlights the absence of a satisfactory operational state.
suffers from functional problems
Indicates that the subject is experiencing issues related to its function.
is functionally compromised
Suggests that the functional capability is weakened or damaged.
fails to deliver its intended purpose
Emphasizes the failure to achieve the intended outcome or objective.
FAQs
How can I use "does not function well" in a sentence?
You can use "does not function well" to describe something that isn't working as it should. For example, "The old computer "does not function well" anymore because it is outdated."
What are some alternatives to "does not function well"?
Alternatives include "is not working properly", "performs poorly", or "is deficient in its function", depending on the context.
Is it grammatically correct to say "does not function well"?
Yes, the phrase ""does not function well"" is grammatically correct and commonly used to describe something that is not working as intended.
In what contexts is "does not function well" most appropriate?
The phrase ""does not function well"" is appropriate in various contexts, from describing technical issues to commenting on social or political systems. It's versatile and easily understood.
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
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested