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
is not satisfactory
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "is not satisfactory" is correct and usable in written English.
You can use this phrase when something is unsatisfactory or inadequate. For example: "The quality of the product is not satisfactory."
✓ Grammatically correct
News & Media
Science
Encyclopedias
Alternative expressions(20)
is inadequate
is insufficient
is unacceptable
is not good enough
is deficient
is not up to par
is falling short
is not substantial
is unacceptable to
is false
is not tolerable
is considered acceptable
is inadmissible
is not permissible
is not allowable
is wrong
is not accurate
is not valid
is not effective
is not welcome
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
59 human-written examples
"Security is not satisfactory," Major Ali said.
News & Media
This state of affairs, they wrote, "is not satisfactory".
News & Media
"This situation is not satisfactory," the report noted dryly.
News & Media
And many residents say that is not satisfactory.
News & Media
This, in Hazell's view, is "not satisfactory – especially if post-election negotiations take some weeks.
News & Media
"The security situation is not satisfactory these days," said Malik Tahir, a district elder.
News & Media
But that is not satisfactory to Sampras, who has won 13 of 15 the Grand Slam finals he has played.
News & Media
"For the national government, this is not satisfactory," Mr. Pastrana said in a national broadcast shortly after midnight today.
News & Media
If that price is not satisfactory, the whole thing is certain to happen again in the next block.
News & Media
Martin Foerder, project director for Bilfinger Berger said: "The current situation on Princes Street is not satisfactory for anybody.
News & Media
I have been having to rely on my wife to give me money which is not satisfactory.
News & Media
Expert writing Tips
Best practice
When using "is not satisfactory", be specific about why something is unsatisfactory. Providing context will make your statement more impactful and actionable.
Common error
While "is not satisfactory" is acceptable, overuse can make your writing sound repetitive. Consider using synonyms like "inadequate" or "insufficient" for variety.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "is not satisfactory" functions as an adjective phrase, specifically a predicate adjective, describing a noun's state or condition. Ludwig AI confirms its grammatical correctness, and the examples show it expressing disapproval or inadequacy.
Frequent in
Science
45%
News & Media
35%
Formal & Business
10%
Less common in
Encyclopedias
5%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "is not satisfactory" is a grammatically sound and frequently employed expression used to convey that something does not meet expectations or standards. Ludwig AI confirms its validity. It's commonly found in news, scientific, and formal business contexts. When using this phrase, specificity is key to enhance its impact. While versatile, avoid overuse by incorporating synonyms for variety. Consider it a reliable workhorse for expressing dissatisfaction with measured precision.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
is not good enough
A more straightforward way to express that something fails to meet a certain standard.
is inadequate
Focuses on the insufficiency of something, rather than its failure to meet expectations.
is not adequate enough
Highlights the insufficiency, and puts emphasis in the fact that something cannot be considered as adequate.
is insufficient
Highlights the lack of something needed, similar to "is inadequate" but can apply to both tangible and intangible aspects.
is unacceptable
Expresses a stronger level of disapproval or rejection compared to "is not satisfactory".
is deficient
Highlights a lack or shortage of something essential, often used in more formal or technical contexts.
is not up to par
An idiomatic expression meaning something does not meet the required standard or expectation.
does not measure up
Suggests a failure to meet a specific comparison or benchmark.
is falling short
Implies a failure to reach a goal or target, often used in the context of performance or expectations.
is not quite right
This indicates a subtle problem or deviation from what is expected or desired, less blunt than "is not satisfactory".
FAQs
How can I use "is not satisfactory" in a sentence?
You can use "is not satisfactory" to express that something does not meet the required expectations or standards. For instance, "The performance of the new software is not satisfactory".
What are some alternatives to "is not satisfactory"?
You can use alternatives like "is inadequate", "is insufficient", or "is unacceptable" depending on the context.
Is "is not satisfactory" formal or informal?
"Is not satisfactory" is generally considered neutral and can be used in both formal and informal contexts, but it's more common in formal writing.
What's the difference between "is not satisfactory" and "is unsatisfactory"?
"Is not satisfactory" and "is unsatisfactory" are nearly synonymous. "Is unsatisfactory" is slightly more concise, but both convey the same meaning.
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