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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
permanently valid
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "permanently valid" is correct and usable in written English.
It can be used to describe something that remains valid indefinitely without expiration or change. Example: "The terms of the agreement are permanently valid as long as both parties adhere to the conditions outlined."
✓ Grammatically correct
Science
News & Media
Wiki
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
They also shared a skepticism concerning the idea that the categorical mechanism of identity and difference (tong/yi) could provide an adequate basis for a universal, permanently valid (chang) standardization of concepts or names (ming).
Science
Human-verified similar examples from authoritative sources
Similar Expressions
56 human-written examples
But if you do it right, and if you do it quickly and not permanently, then it seems to me it's a valid thing to do.
News & Media
Additionally, patients had to be permanently registered with a CPRD participating practice and have a valid date of birth and gender information (acceptable patients).
Science
If the site administrators find your request to be valid, the pictures will be taken down and permanently removed from the Internet.
Wiki
To activate Windows, you have to purchase a valid product key or hack the activation counter to stop permanently, which is illegal.
Wiki
Though you may have your heart set on a design and placement, they may have valid and sensible reasons for you to think about before permanently altering your body.
Wiki
Patients without a valid Danish Civil Registration Number (i.e. individuals not living permanently in Denmark) were also excluded (n= 5).
Science
She also permanently blocked a provision that would have prevented businesses and others from accepting consular identification cards as a valid form of identification.
News & Media
When a file is permanently deleted or the drive is formatted, the OS sends the TRIM command along with the LBAs that no longer contain valid data.
Wiki
Valid question.
News & Media
Not permanently.
News & Media
Expert writing Tips
Best practice
Use "permanently valid" to emphasize the long-term and unchanging nature of something's validity, especially in formal contexts like legal agreements or philosophical discussions.
Common error
Avoid using "permanently valid" when the validity is conditional or subject to change. Ensure that the context genuinely implies an unending and unconditional validity.
Source & Trust
87%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "permanently valid" functions as an adjective phrase modifying a noun. It describes the enduring state of being valid or acceptable. Ludwig indicates that this phrase describes something that remains valid indefinitely without expiration or change. The available example is from an academic source.
Frequent in
Science
33%
News & Media
33%
Wiki
33%
Less common in
Encyclopedias
0%
Formal & Business
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "permanently valid" is used to describe something that remains valid indefinitely. Ludwig confirms its grammatical correctness and usability in written English. While "valid" already implies correctness, adding "permanently" reinforces the enduring nature of this validity, emphasizing that it is not temporary or conditional. It's most frequently encountered in academic, news, and wiki contexts. Related phrases include "eternally valid" and "indefinitely valid". When using this phrase, ensure the context genuinely supports its claim of unchanging validity.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
eternally valid
Replaces "permanently" with "eternally", emphasizing the unending nature of validity.
indefinitely valid
Substitutes "permanently" with "indefinitely", suggesting validity without a set expiration.
valid in perpetuity
Uses a more formal and legalistic tone to indicate lasting validity.
always valid
Simple replacement of "permanently" with "always", indicating continuous validity.
unconditionally valid
Highlights that the validity is not subject to any conditions or exceptions.
valid without end
Emphasizes the lack of termination or expiration of the validity.
invariably valid
Focuses on the unchanging and consistent nature of the validity.
irrevocably valid
Indicates that the validity cannot be taken back or reversed.
permanently in effect
Shifts the focus from validity to the continued operation or enforcement.
valid for all time
Emphasizes the timeless aspect of the validity.
FAQs
How can I use "permanently valid" in a sentence?
You can use "permanently valid" to describe concepts, agreements, or standards that remain valid indefinitely. For example: "The terms of the agreement are "permanently valid" as long as both parties adhere to the outlined conditions."
What are some alternatives to "permanently valid"?
Alternatives include "eternally valid", "indefinitely valid", or "valid in perpetuity", depending on the desired level of formality and emphasis.
Is it redundant to say "permanently valid"?
While "valid" implies correctness or acceptability, adding "permanently" emphasizes that this state is unchanging and will continue indefinitely. The redundancy is for emphasis.
What is the difference between "permanently valid" and "temporarily valid"?
"Permanently valid" indicates that something remains valid without any expiration, while "temporarily valid" suggests that the validity is limited to a specific timeframe. Always provide the reasons and duration of "temporarily valid" agreements.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
87%
Authority and reliability
4.1/5
Expert rating
Real-world application tested