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
keep stable for
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "keep stable for" is not standard in written English and may cause confusion.
It could be used in contexts where you want to indicate maintaining stability over a period of time or during a specific condition, but it is not commonly used. Example: "We need to keep stable for the duration of the experiment to ensure accurate results."
⚠ May contain grammatical issues
Science
News & Media
Alternative expressions(3)
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
14 human-written examples
The characteristic time of de-flocculation of cement paste changes little at different resting time, however, it increases significantly at the first 5 min resting time and then keep stable for CA pastes.
They observed that the nanofluids can keep stable for 286 h when using SDS as dispersant.
Science
The obtained Ionanofluids are black and can keep stable for a long time.
Science
The nanofluids with the optimal pH value can keep stable for several months.
Science
They found that the prepared nanofluids could keep stable for several days and no sedimentation occurred.
Science
They observed the nanofluids prepared could keep stable for more than 1 month.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
46 human-written examples
In a pilot plant, there is limited capacity to make these adjustments and the continuous system must be kept stable for months.
At last, it keeps stable for 15 years before failure.
Science
If patients were on prophylactic medication this was kept stable for at least seven days prior to investigation.
This results in a more heated region and the plume density is kept stable for a longer period.
Science
Although version 1.0 will be kept stable for a certain time, in the medium term the data model will need maintenance and adaptation.
Expert writing Tips
Best practice
When describing duration of stability, prefer the phrase "remain stable for" or "stay stable for" over "keep stable for" to improve clarity and grammatical correctness.
Common error
Avoid using "keep" directly with "stable" and "for" when describing duration; instead, opt for verbs like "remain" or "stay" to maintain grammatical accuracy.
Source & Trust
77%
Authority and reliability
3.2/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "keep stable for" functions as a descriptor of duration and condition. However, as Ludwig AI indicates, it is not standard English and may cause confusion. Therefore, it's grammatically questionable.
Frequent in
Science
60%
News & Media
20%
Encyclopedias
20%
Less common in
Formal & Business
0%
Academia
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, the phrase "keep stable for" is grammatically non-standard and not recommended for formal use. Ludwig AI identifies the phrase as potentially confusing, suggesting alternatives such as "remain stable for" or "stay stable for". Although it appears in a variety of sources, including scientific and news outlets, its infrequent use and grammatical ambiguity make it less desirable than its alternatives. When aiming to convey the idea of maintaining a consistent condition over time, opting for clearer, more grammatically sound options is advisable.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
remain stable for
Uses a different verb to convey a similar meaning of maintaining a state over a period.
stay stable for
Substitutes "keep" with "stay" maintaining almost identical semantic meaning.
maintain stability for
Nominalizes "stable" and uses "maintain", altering the grammatical structure slightly.
hold steady for
Employs a more informal expression using "hold steady" instead of "keep stable".
be sustained for
Uses a passive voice construction to indicate that stability is being supported.
endure without change for
Highlights the aspect of enduring without alteration, adding emphasis.
persist in a stable condition for
Adds emphasis on the duration and the condition of stability.
preserve its stability for
Focuses on the act of preserving stability, suggesting an active effort.
last in a stable state for
Shifts focus to the duration of the stable state.
not fluctuate for
Indicates stability by negating fluctuation, offering an alternative perspective.
FAQs
What is a more grammatically sound alternative to "keep stable for"?
More standard alternatives include "remain stable for" or "stay stable for" which are both grammatically correct and widely accepted.
How can I use "keep stable for" correctly in a sentence?
While "keep stable for" isn't standard, you might rephrase it as "maintain stability for" to ensure better grammatical structure and clarity.
Is there a difference in meaning between "keep stable for" and "remain stable for"?
The intended meaning is similar, but "remain stable for" is grammatically preferable and clearer than "keep stable for".
When is it appropriate to use "keep stable for" in writing?
Due to its non-standard nature, it's generally advisable to avoid "keep stable for" in formal writing and instead use a more accepted alternative like "stay stable for".
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
77%
Authority and reliability
3.2/5
Expert rating
Real-world application tested