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
unchangeable over time
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "unchangeable over time" is correct and usable in written English.
You can use it to describe something that remains constant or does not alter as time progresses. Example: "The laws of physics are often considered unchangeable over time, providing a stable foundation for scientific inquiry."
✓ Grammatically correct
News & Media
Science
Formal & Business
Wiki
Alternative expressions(1)
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
The traditional view of economists is that people maximize their self-interest and that self-interest is defined by tastes that are relatively unchangeable over time.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
Spatial structures are, although not unchangeable, persisting over time, so that a re-direction of practised planning paradigms towards more sustainable spatial development is pivotal for society.
"People change over time.
News & Media
OT = Over-time.
News & Media
Over time, maybe.
News & Media
Over time, variations proliferated.
News & Media
That came over time.
News & Media
would disappear over time.
News & Media
Measure it over time.
News & Media
Over time, yeah.
News & Media
Relationships deteriorate over time.
News & Media
Expert writing Tips
Best practice
Use "unchangeable over time" to describe fundamental principles, laws, or deeply ingrained beliefs that are resistant to alteration. Ensure the context clearly indicates the prolonged stability being emphasized.
Common error
Avoid using "unchangeable over time" when describing situations that are inherently dynamic or subject to adaptation. This phrase is best reserved for scenarios where permanence is a key characteristic.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "unchangeable over time" functions as an adjective phrase that modifies a noun, indicating that the noun's characteristics or state remain constant and do not vary as time passes. Ludwig confirms its correct usage.
Frequent in
News & Media
36%
Wiki
25%
Science
21%
Less common in
Formal & Business
10%
Science
4%
News & Media
4%
Ludwig's WRAP-UP
In summary, the phrase "unchangeable over time" effectively conveys the concept of something remaining constant throughout a duration. Ludwig confirms its grammatical correctness and appropriate usage. While relatively rare, its appearance in news, wiki and scientific contexts suggests its suitability for analytical and descriptive writing. When using this phrase, consider alternatives like "immutable through time" or "constant over the years" for nuanced expression. It is important to reserve this phrase for scenarios where permanence is an intended and important characteristic of what is described.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
immutable through time
Replaces "unchangeable" with "immutable", emphasizing the impossibility of change.
constant over the years
Uses "constant" instead of "unchangeable", focusing on consistency across a longer duration.
fixed throughout history
Emphasizes the historical aspect, suggesting something has remained unchanged across recorded time.
stable across generations
Highlights long-term stability spanning multiple generations.
enduring over the long term
Focuses on the lasting quality of something that persists without change.
permanent in the course of time
Uses "permanent" to suggest an indefinite duration without alteration.
static through the ages
Emphasizes a lack of movement or change throughout extended periods.
remaining unaltered historically
Highlights that something has not been altered from a historical point of view.
invariable throughout time
Replaces "unchangeable" with "invariable", highlighting the consistent nature without any variation.
steadfast across lifetimes
Highlights the firmness and resolve of something that stands unchanged throughout an entire life or multiple lifetimes.
FAQs
How can I use "unchangeable over time" in a sentence?
You can use "unchangeable over time" to describe something that remains constant or does not alter as time progresses. For example: "The laws of physics are often considered "unchangeable over time", providing a stable foundation for scientific inquiry."
What are some alternatives to "unchangeable over time"?
Alternatives include "immutable through time", "constant over the years", or "fixed throughout history", depending on the specific nuance you want to convey.
Is "unchangeable over time" a formal or informal expression?
"Unchangeable over time" can be used in both formal and informal contexts, but it's generally more suited for analytical or descriptive writing where precision is important.
What's the difference between "unchangeable over time" and "static"?
"Static" implies a lack of movement or activity, while "unchangeable over time" specifically refers to something that does not undergo any alteration or modification across a period. Something can be static without being unchangeable, and vice versa.
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
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested