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
do not work well
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "do not work well" is correct and usable in written English.
You can use it to describe a situation where something is not functioning effectively or efficiently. Example: "The new software updates do not work well with older operating systems, causing frequent crashes."
✓ Grammatically correct
News & Media
Science
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
As the figures suggest, these approaches do not work well.
News & Media
Now more bespoke artificial reefs are taking shape.Reefs improvised from junk often do not work well.
News & Media
Computers use some strategies that do not work well for servers.
News & Media
"Downward facing speakers do not work well," said Gary Merson, owner of HDGuru.com.
News & Media
The fantasy and dream sequences seem intrinsically awkward and do not work well here.
News & Media
But cookies do not attach to apps, which is why they do not work well on mobile phones and tablets.
News & Media
The new LEPs are unpopular with many businesses, and many do not work well with local authorities.
News & Media
Companies are now racing to improve upon decades-old generic drugs that do not work well for everyone.
News & Media
Clearly, that program and the D.H.S. regulations do not work well enough to keep all citizens out of jeopardy.
News & Media
They tend to have little flavour because many flavour-producing enzymes do not work well in these acidic conditions.
News & Media
The big-name, big-ticket shopping sprees just do not work well in football, where team chemistry dwarfs individual statistics.
News & Media
Expert writing Tips
Best practice
When describing why something “do not work well”, be specific about the reasons. Provide context or examples to illustrate the issue.
Common error
Avoid using "do not work well" with overly broad subjects like "systems" or "methods" without further clarification. Specify which aspects of the system or method are failing to function properly.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "do not work well" functions as a predicate in a sentence, expressing that a subject is not functioning effectively or producing the desired results. As Ludwig AI indicates, it's a common way to describe ineffectiveness.
Frequent in
Science
35%
News & Media
35%
Formal & Business
10%
Less common in
Wiki
5%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "do not work well" is a grammatically sound and frequently used expression to indicate that something is ineffective or malfunctioning. Ludwig AI confirms its correctness and usability. It appears across diverse contexts, from scientific research to news reporting, with a neutral register. When using the phrase, ensure to provide specific reasons for the ineffectiveness. Alternatives include "are ineffective" and "don't function properly".
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
are not effective
Focuses on the lack of desired outcome or impact.
are ineffective
Highlights the inability to produce a desired result.
don't function properly
Emphasizes the malfunction or impaired operation.
are not performing adequately
Stresses the substandard level of execution or functioning.
are deficient
Points out a lack or inadequacy in quality or performance.
are unsuitable
Focuses on a mismatch or inappropriateness for a particular purpose.
are not up to par
Emphasizes that something does not meet an expected standard or level of quality.
are failing
Highlights the lack of success or imminent breakdown.
are flawed
Focuses on the presence of defects or weaknesses that impair functionality.
are unproductive
Highlights the lack of output or positive result.
FAQs
How can I use "do not work well" in a sentence?
Use "do not work well" to describe something that is not functioning effectively or efficiently. For example, "The new software updates "do not work well" with older operating systems, causing frequent crashes."
What are some alternatives to saying "do not work well"?
You can use alternatives like "are ineffective", "don't function properly", or "are not effective" depending on the context.
Is it better to say "does not work well" or "do not work well"?
"Does not work well" is used with singular subjects (e.g., "This method does not work well"), while "do not work well" is used with plural subjects (e.g., "These methods do not work well").
What's the difference between "do not work well" and "do not perform well"?
"Do not work well" generally refers to the functionality or effectiveness of something, while "do not perform well" emphasizes the execution or outcome. For instance, "This tool "does not work well"" means it is faulty, while "This athlete "does not perform well"" suggests they are not achieving good results.
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