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 it valid
Grammar usage guide and real-world examplesUSAGE SUMMARY
"Keep it valid" is correct and usable in written English.
You can use it to emphasize the importance of someone taking an action or making a decision that is correct, appropriate, and in accordance with the law or regulations. For example, "Make sure you keep all the information on your tax forms up-to-date and accurate. Remember, keep it valid!".
✓ Grammatically correct
Bioinformatics
BMC Health Services Research
Earth, Planets and Space
Journal of Theoretical Biology
Wikipedia
BMC Systems Biology
BMC Genomics
The Guardian
Data Science and Engineering
The New York Times
EURASIP Journal on Wireless Communications and Networking
Huffington Post
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
1 human-written examples
In our experiments involving the mismatch kernel, we use the classical choice of 3-mers with a maximum of one mismatch, and for the datasets where some sequences were not available in the database, we added K Dirac (t, t ′) to the kernel (and normalized to one on the diagonal) in order to keep it valid.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
58 human-written examples
On the other hand, a specialized hospital could also achieve 26% of the total score (which is the minimum required score to become a grade 3 hospital) to pass the annual PM and keep its license valid.
Science
The data are also selected to keep only valid data as indicated by the different flags.
Science
Since some of these models are either inconsistent or redundant we designed a model filter using combinatory rules in order to keep only valid and unique models.
The fifty-move rule - if during the previous 50 moves no pawn has been moved and no capture has been made, either player may claim a draw; this requires the players to keep a valid written record of the game so that the claim may be verified by the arbiter if challenged.
Wiki
To acquire images of different fluorescence colours, 5 different emission filters were employed to avoid the disturbance of the other fluorescence colours and keep the valid emission light.
Science
We needed unbiased similarity scores between proteins matched during the sequence-based search to keep results valid in case of further increasing the size of the data sets.
Science
He still watches it "so I can keep my opinion valid", he reasons.
News & Media
At each round, it first gets its neighbors and keeps those valid.
Science
The federal appeals court in Boston disagreed and found the program valid, but kept its decision on hold until the Supreme Court could rule.
News & Media
Visas for entertainers from Syria, a nation defined as a state that supports terrorism by the United States government, are notoriously difficult and time-consuming to arrange and keep valid, according to Syrian musicians.
News & Media
Expert writing Tips
Best practice
When using "Keep it valid" in technical contexts, ensure the specific criteria for validity are clearly defined to avoid ambiguity.
Common error
Avoid using "Keep it valid" as a generic exhortation without specifying what 'it' refers to. Be specific about the subject needing validation to provide clarity.
Source & Trust
82%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "Keep it valid" primarily functions as an imperative, urging the listener or reader to maintain the validity of something. Ludwig indicates that the phrase is correct and usable in written English, though its frequency is relatively low.
Frequent in
Science
33%
News & Media
25%
Wiki
16%
Less common in
Formal & Business
8%
Encyclopedias
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, the phrase "Keep it valid" is a grammatically correct imperative used to emphasize the importance of maintaining the correctness or legitimacy of something. Ludwig's analysis confirms its usability, although it notes a relatively uncommon frequency. Its usage spans multiple contexts, with stronger presence in scientific, news, and wiki sources. While adaptable to informal settings, it leans towards professional or formal registers due to its inherent emphasis on accuracy and compliance.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
Maintain its validity
Focuses on preserving the state of being valid.
Ensure its validity
Highlights the act of guaranteeing validity.
Preserve its validity
Emphasizes protecting the valid state from degradation.
Retain its validity
Focuses on continuing to possess validity.
Keep it legitimate
Replaces "valid" with a synonym suggesting lawfulness or authenticity.
Keep it current
Shifts the focus to maintaining up-to-date status, implying validity through currency.
Keep it relevant
Emphasizes maintaining pertinence or applicability, a form of validity.
Keep it accurate
Focuses on precision and correctness as a form of validity.
Keep it sound
Suggests maintaining a state of being logically or legally valid.
Keep it effective
Implies that validity is tied to maintaining a desired outcome or result.
FAQs
How can I use "Keep it valid" in a sentence?
You can use "Keep it valid" to emphasize the importance of maintaining the correctness or legitimacy of something, such as "Make sure all data entries are accurate; remember, "keep it valid"!"
What are some alternatives to "Keep it valid"?
Alternatives include "maintain its validity", "ensure its validity", or "preserve its validity", depending on the specific nuance you want to convey.
What does it mean to "Keep it valid"?
To "Keep it valid" means to ensure that something remains correct, legitimate, and in compliance with required standards or criteria.
In what situations would you use "Keep it valid"?
You would use "Keep it valid" in situations where maintaining the accuracy, legality, or relevance of information, processes, or documents is critical, such as in legal, scientific, or financial contexts.
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
82%
Authority and reliability
4.1/5
Expert rating
Real-world application tested