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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
has not varied
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "has not varied" is correct and usable in written English.
It can be used to indicate that something has remained consistent or unchanged over a period of time. Example: "The temperature in this region has not varied significantly over the past decade."
✓ Grammatically correct
News & Media
Science
Encyclopedias
Alternative expressions(20)
has been robust
has remained steady
has maintained stability
has remain unchanged
has been maintained
has remained constant
has been unchanged
has stayed the same
has stayed consistent
had not changed
has been permanent
has persisted
has stabilized
has remained untouched
has remained stable
remains unchanged
has remained unchanged
has been durable
has been solid
has remained solid
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
17 human-written examples
"It is a position that has not varied.
News & Media
But this is New Orleans, a city dipped in gumbo and garlic butter whose essential culinary canon has not varied much since the late 1700s.
News & Media
Evaporite sediments provide strong evidence that the composition of seawater has not varied a great deal during this interval of geologic time.
Encyclopedias
That works out to about $23,000 this year, a figure that, adjusted for inflation, has not varied much for 10 years.
News & Media
Mr. Forbes himself peppers his stump speech, which has not varied in months, with phrases like "as your commander in chief" and "when I am president," and his hard-core followers reward him with standing ovations and murmured amens.
News & Media
Spread among several hundred illegal encampments, an estimated 15,000 to 20,000 foreign Roma reside in France, a number that has not varied much since the fall of the Iron Curtain.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
41 human-written examples
He hasn't varied his set list much on this tour, which suggests it's a purposeful statement.
News & Media
By all accounts he's kept his original readership — his books are often best sellers — but this may be because his technique hasn't varied, significantly, since "Ragtime".
News & Media
Faced with non-violent Palestinian protesters, who correctly deduce that their methods have a better chance of influencing world opinion than Hamas's suicide bombers, Israel hasn't varied its repertoire of repression much.
News & Media
For a long time now my message hasn't varied much: Inflation is in check, which also means interest rates are stable; the economy is growing but in a controlled fashion; corporate activity such as mergers and buybacks continue; and the public keeps buying mutual funds.
News & Media
No? Okay, so this is what the average jelqing routine consists of, which hasn't varied much throughout history, aside from the Get Fit jargon, that is.
News & Media
Expert writing Tips
Best practice
Use "has not varied" to clearly communicate the idea that something has remained consistent over a period. This phrase is suitable for formal and informal contexts.
Common error
Avoid using "has not varied" when referring to extremely short time frames where the lack of variation is expected. The phrase is most effective when emphasizing consistency over a notable period.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "has not varied" functions as a verb phrase in the present perfect tense, indicating that something has remained consistent over a period of time. This is supported by various examples in Ludwig.
Frequent in
News & Media
41%
Science
41%
Encyclopedias
18%
Less common in
Formal & Business
0%
Social Media
0%
Wiki
0%
Ludwig's WRAP-UP
The phrase "has not varied" is a grammatically sound and frequently employed expression used to indicate consistency or a lack of change over time. As confirmed by Ludwig AI, this phrase is suitable for diverse contexts, including News & Media, Science, and Encyclopedias. Its function is to convey stability, and while it's generally neutral, careful attention should be paid to the time frame being discussed to ensure its appropriate usage. Alternatives such as "has remained constant" or "has stayed consistent" can be used for subtle variations in meaning.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
has remained constant
Focuses on the idea of staying the same.
has stayed consistent
Emphasizes maintaining a uniform state.
has not changed
A more direct and general way of saying something has remained the same.
has been consistent
Highlights the continuity of a particular attribute or behavior.
has been stable
Suggests a state of equilibrium or resistance to change.
has not fluctuated
Specifically addresses the absence of irregular changes.
has held steady
Implies a firm maintenance of a particular level or state.
has been uniform
Stresses the evenness and lack of diversity in something.
has persisted
Focuses on the continuation of something over a long period.
has endured
Highlights the ability of something to last despite challenges.
FAQs
How can I use "has not varied" in a sentence?
You can use "has not varied" to indicate that something has remained consistent over time. For example, "The quality of their service has not varied over the years."
What are some alternatives to saying "has not varied"?
Alternatives include "has remained constant", "has stayed consistent", or "has not changed". The best choice depends on the specific nuance you want to convey.
Is "has not varied" grammatically correct?
Yes, "has not varied" is grammatically correct. It uses the present perfect tense to describe a state that has persisted.
What is the difference between "has not varied" and "has not changed"?
While similar, "has not varied" often implies a consistency across multiple instances or measurements, whereas "has not changed" can refer to a single, unchanging state. The difference is subtle but can be relevant depending on the context.
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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
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested