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
not as stable
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "not as stable" is correct and usable in written English. You can use it when comparing the stability of two or more things, indicating that one is less stable than the other. An example: "The new software is not as stable as the previous version." Alternative expressions include "less stable" and "not quite as stable."
✓ Grammatically correct
Science
News & Media
Encyclopedias
Alternative expressions(20)
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
In other cities, hockey is not as stable as it could be.
News & Media
But China should also be reminded that Kim is not as stable as China once claimed.
News & Media
"Employment patterns in the arts are sporadic and not as stable," Ms. Ortiz said.
News & Media
And Kazakhstan is Central Asia's most fragrant economy.Stop fawningCentral Asia, thus, is not as stable as it seems.
News & Media
"Perhaps the situation is not as stable as we would have liked before voting, but we must participate.
News & Media
Individual carriers, and the industries they are part of, are not as stable as they were prior to deregulation.
Encyclopedias
However, IgA is not as stable as IgG, and therefore it is present in lower amounts at any given time.
Encyclopedias
For Democratic leaders the trends are a worrying sign that their base, as it has traditionally been defined, is not as stable as it used to be.
News & Media
The isomerisation occurs in milliseconds, so normal writing speeds are possible.The self-erasure happens because the new isomer of azobenzene is not as stable as the old one.
News & Media
But because the practical know-how for making ferroelectric devices is still in its infancy, the chip's two switching states are not as stable as designers would like.
News & Media
In a series of tense, well-written ensemble scenes, "Friends with Money" explores not only the gossip and shifting alliances in these relationships but the three marriages as well, which are not as stable as they seem.
News & Media
Expert writing Tips
Best practice
When using "not as stable", ensure you clearly specify what you are comparing it to. This provides context and makes the comparison more meaningful.
Common error
Avoid using "not as stable" without indicating what is being compared. Saying "This system is not as stable" is vague. Instead, specify, "This system is "not as stable" as the previous version."
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "not as stable" functions as a comparative adjective phrase. It modifies a noun by describing its relative lack of stability compared to something else. As Ludwig AI confirms, this phrase is widely used and understood.
Frequent in
Science
39%
News & Media
37%
Encyclopedias
3%
Less common in
Wiki
2%
Formal & Business
0%
Social Media
0%
Ludwig's WRAP-UP
The phrase "not as stable" is a common and grammatically correct way to express that something is less stable compared to something else. Ludwig AI's analysis shows it's widely used across various contexts, including science, news and media, and encyclopedias. When using this phrase, ensure you clearly define the point of comparison. Alternatives like "less stable" or "more volatile" can be used depending on the nuance you want to convey. The phrase serves to highlight a relative deficiency in stability, often to express concern or caution.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
less stable
This is a more concise and direct way of expressing that something is not as stable.
not quite as stable
Adds a nuance of slight difference in stability, softening the comparison.
comparatively unstable
Uses a more formal tone and emphasizes the relative instability.
relatively shaky
Employs a more informal term ("shaky") to suggest instability.
not so secure
Focuses on the lack of security as a facet of instability.
more precarious
Highlights the risk and uncertainty associated with the lack of stability.
not as firmly established
Indicates that something lacks a solid foundation or long-term presence.
not as well-grounded
Suggests a lack of grounding or a disconnection from reality or practicality.
lacking stability
Directly states the absence of stability, though less common in comparative contexts.
more volatile
Emphasizes the tendency to change rapidly and unpredictably, implying a lack of stability.
FAQs
What does "not as stable" mean?
The phrase "not as stable" means that something has a lower degree of stability compared to something else. It implies that it is more prone to changes, disruptions, or failures.
How can I use "not as stable" in a sentence?
You can use "not as stable" to compare the stability of two different things. For example: "The new operating system is "not as stable" as the older one", or "The political climate is "not as stable" as it once was".
What are some alternatives to "not as stable"?
Some alternatives to "not as stable" include "less stable", "more volatile", "comparatively unstable", or "not as secure". The best alternative depends on the specific context.
Is it better to say "less stable" or "not as stable"?
Both "less stable" and "not as stable" are grammatically correct and can be used interchangeably in many cases. "Less stable" is generally more concise, while "not as stable" can sometimes provide a slightly softer or more nuanced comparison.
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
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested