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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
permanent definition
Grammar usage guide and real-world examplesUSAGE SUMMARY
"permanent definition" is correct and usable in written English. You can use it when referring to a definition that is intended to remain unchanged over time. An example is: "The permanent definition of the term was established in the 19th century." Alternative expressions include "fixed definition" and "enduring definition."
✓ Grammatically correct
Alternative expressions(20)
established definition
accepted meaning
prevailing definition
accepted definition
classic method of the word
classic sense of the word
widely used definition
commonly accepted definition
standard definition
universally accepted meaning
widely recognized definition
standard interpretation
prevailing understanding
firm meaning
clear understanding
fixed significance
clear definition
bench level definition
tentative definition
personalized definition
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified similar examples from authoritative sources
Similar Expressions
60 human-written examples
Personality traits are, by definition, virtually permanent, and so personality disorders are only partially amenable to treatment, if at all.
Encyclopedias
Because personality traits are by definition virtually permanent, these disorders are only partially, if at all, amenable to treatment.
Encyclopedias
Fig. 7 Definition of permanent plastic deformation before and after failure (Maas et al. 2013): creep deformations of the specimens were observed.
We restricted the definition to permanent structural or organisational changes, not temporary activities aiming to develop or introduce the change.
Science
According to the definitions of permanent plastic deformations type 1 failure occurs when frac{mathrm{d}}{mathrm{D}}left|{mathrm{d}}_{mathrm{Lp}}-{mathrm{d}}_{mathrm{Mp}}right|>2 mathrm{mm}; that is if αp > 0.024 rad or 1.4°, with the index "p" meaning permanent plastic.
The Agincourt definition of a permanent migrant is a person who enters or leaves a household with a permanent intention.
Science
Much of the early part is devoted to gushing passages about the birth of New Labour, the prime minister's general impatience with his party and his permanent need for "revolution" and "definition" (something which Blair felt the phrase "bog standard comprehensive" gave him, in spite of the fact that Hyman now admits it was a mistake).
News & Media
Nevertheless, the criteria applied estimated that 5.4% of the AEs resulted in permanent disability according to the definition and 10.8% associated with death (Table 2).
Science
Hits are disposable by definition, since nothing is permanent on the pop charts.
News & Media
As shown, the permanent porosity is embedded into the definition of the total porosity itself.
Science
Definition 2 The extended permanent of A is defined as Per ( A ) = Per I M A = Per I N A T. (40).
Expert writing Tips
Best practice
When using "permanent definition", ensure that the context supports the idea of a definition intended to remain unchanged over time. Consider if a less absolute term like "standard definition" might be more appropriate depending on the subject.
Common error
Avoid using "permanent definition" when referring to concepts whose definitions are known to evolve. Terms in emerging fields, for example, often have definitions that are subject to revision.
Source & Trust
79%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "permanent definition" functions as a noun phrase, specifying a definition that is intended to be lasting and unchanging. While Ludwig provides examples of similar phrases, there are no exact matches for the phrase "permanent definition", suggesting it is not a highly common expression.
Frequent in
Science
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News & Media
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Formal & Business
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Less common in
Science
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News & Media
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Formal & Business
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Ludwig's WRAP-UP
The phrase "permanent definition" describes a definition intended to remain unchanged over time. Analysis reveals that it's grammatically correct but not frequently used, with no exact matches found in the provided sources. Ludwig AI identifies related phrases like "lasting definition" and "fixed definition". While useful in emphasizing stability, it's important to consider whether the concept is truly permanent or if a more flexible term is appropriate. The phrase's neutral register makes it suitable for diverse contexts, but careful consideration of the specific situation is advised.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
Lasting definition
Replaces "permanent" with "lasting", emphasizing the enduring quality of the definition.
Enduring definition
Similar to "lasting definition", highlighting the definition's ability to withstand time.
Fixed definition
Emphasizes the unchangeable nature of the definition.
Established definition
Focuses on the definition having been formally set or recognized.
Settled definition
Similar to "established definition", suggesting a consensus or agreement on the definition.
Official definition
Indicates that the definition has been sanctioned or approved by an authority.
Standard definition
Highlights that the definition is widely accepted and used.
Accepted definition
Focuses on the widespread agreement on the meaning of the term.
Formal definition
Emphasizes the structured and precise nature of the definition.
Unchanging definition
Directly states that the definition does not undergo any alteration.
FAQs
How can I use "permanent definition" in a sentence?
You can use "permanent definition" to describe a definition that is intended to remain unchanged over time. For example: "The "established definition" of that term has been used since the 19th century."
What is an alternative to "permanent definition"?
Alternatives to "permanent definition" include "lasting definition", "enduring definition", or "fixed definition", depending on the desired nuance.
Is it accurate to describe a legal definition as "permanent"?
While legal definitions often aim for precision and stability, describing them as strictly "permanent" might be an overstatement, as laws and their interpretations can evolve over time. "Established legal definition" might be more fitting.
When should I avoid using the phrase "permanent definition"?
Avoid using "permanent definition" when discussing concepts with evolving or contested meanings. In such cases, phrases like "working definition" or "prevailing definition" may be more accurate.
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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
79%
Authority and reliability
4.1/5
Expert rating
Real-world application tested