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
declined over
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "declined over" is not standard in written English and may lead to confusion.
It could be used in contexts discussing a decrease or reduction in something over a period of time, but it is not commonly used. Example: "The company's profits have declined over the last three years due to increased competition."
Science
News & Media
Formal & Business
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
60 human-written examples
The percentage of study participants who reported risky sex behaviors declined over time.
But its cachet declined over the years.
News & Media
Political and social trust have indeed declined over time.
News & Media
And for American men, mobility has declined over time.
News & Media
Regarding butterflies, 72% have declined over the last 10 years.
News & Media
Undoubtedly attendance has dramatically declined over the years.
News & Media
In every case, the critical photoperiod had declined over time.
News & Media
Mercury concentrations marginally declined over the same period.
Chagas disease incidence has sharply declined over the last decade.
Science
Thalpomys lasiotis declined over the six years of the study.
Lymphoproliferative responses to mitogens declined over time in both genders.
Expert writing Tips
Best practice
For clarity and impact, consider using more common alternatives like "decreased over" or "diminished over" to ensure your writing is easily understood and widely accepted.
Common error
While grammatically correct, relying heavily on "declined over" can make your writing sound repetitive. Vary your vocabulary by using alternatives like "decreased over" or "diminished over" to maintain reader engagement and enhance the overall quality of your prose.
Source & Trust
82%
Authority and reliability
4.2/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "declined over" primarily functions as a verbal phrase indicating a process or state of reduction over a period. Ludwig identifies its use in describing trends or changes that occur gradually. It combines a verb ("declined") with a preposition ("over") to specify the timeframe of the decline.
Frequent in
Science
62%
News & Media
29%
Formal & Business
4%
Less common in
Wiki
1%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, while grammatically correct, the phrase "declined over" is not the most standard option; according to Ludwig, it is not the most widely used in written English. It's more common and easily understood to opt for alternatives like "decreased over" or "diminished over". "Declined over" functions primarily to describe a reduction that occurs over time, appearing in scientific, news and business contexts. Its frequency is very common. While acceptable, writers should be aware of its slight awkwardness and prefer alternatives, especially in formal writing. Ludwig also notes that varying word choice prevents writing from sounding repetitive.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
decreased over
Uses a more common synonym for "declined", maintaining the temporal aspect.
diminished over
Emphasizes a gradual reduction, similar to "declined", but with a slightly different nuance.
reduced over
Focuses on the act of making something smaller over a period.
lessened over
Indicates a reduction in intensity or degree over time.
waned over
Suggests a gradual decrease in power, influence, or extent over time.
fallen gradually
Highlights a slow and continuous drop.
dropped steadily
Implies a consistent and downward trend.
regressed throughout
Indicates a return to a former or less developed state over a period.
deteriorated during
Suggests a worsening condition or quality over a given time.
ebbed away during
Implies a slow, weakening decrease over a duration.
FAQs
What does "declined over" mean?
The phrase "declined over" signifies a decrease or reduction that has occurred gradually across a specified duration. It indicates that something has diminished or lessened in quantity, quality, or intensity as time passed.
What are some alternatives to "declined over"?
You can use phrases like "decreased over", "diminished over", or "reduced over" to convey a similar meaning. The best choice depends on the specific context.
Is "declined over" grammatically correct?
Yes, "declined over" is grammatically correct, but it's not considered the most standard or elegant phrasing. Alternatives like "decreased over" are generally preferred in formal writing.
In what contexts is it appropriate to use "declined over"?
"Declined over" can be used in various contexts, including scientific reports, news articles, and business documents. However, due to its somewhat less common usage, it may be beneficial to opt for alternatives in more formal settings for enhanced clarity and acceptance.
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
4.2/5
Expert rating
Real-world application tested