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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
declined by half
Grammar usage guide and real-world examplesUSAGE SUMMARY
"declined by half" is a correct and usable phrase in written English and can be used when something is reduced by half or has decreased to half of its original level.
For example, "The number of visitors at the museum declined by half this year."
✓ Grammatically correct
News & Media
Science
Encyclopedias
Alternative expressions(20)
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
56 human-written examples
Agriculture was drastically affected and declined by half.
Encyclopedias
Welfare rolls have declined by half since 1995.
News & Media
Since then, that number was thought to have declined by half.
News & Media
Toxic emissions declined by half; days of dangerous smog levels declined by two-thirds.
News & Media
The number of women with obstetric complications who were admitted for treatment in participating facilities tripled, and the proportion of those women dying declined by half.
MeVC shares, which began trading at $20 in June on the New York Stock Exchange, have since declined by half.
News & Media
His own personal wealth has declined by half, to some $2bn, but personal wealth was never the point.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
4 human-written examples
In the communities where CHOs were deployed whether with or without zurugelu volunteers child mortality declined by one-half in only 3 years.
The population may decline by half in summer through migration.
Encyclopedias
It takes a decade for the stored-up bisphosphonate in the body to decline by half.
Academia
report said, growth in advanced economies could decline by half a percentage point annually.
News & Media
Expert writing Tips
Best practice
Consider using synonyms like "halved" or "reduced by 50 percent" for variety in your writing, but maintain consistency within the same document or article.
Common error
Avoid assuming the reader knows the original value before the decline. Always provide the initial value or a reference point to make the "declined by half" statement meaningful and impactful.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "declined by half" functions as a modifier, specifically describing the extent of a decrease. As Ludwig AI confirms, it is commonly used to quantify a reduction to 50% of the original value. Examples show its usage across diverse subjects.
Frequent in
News & Media
47%
Science
39%
Encyclopedias
4%
Less common in
Academia
2%
Formal & Business
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "declined by half" is a grammatically sound and frequently used expression to indicate a 50% reduction. As Ludwig AI verifies, it's common in news, science, and encyclopedic content. While synonyms exist, such as "halved" or "reduced by 50 percent", context determines the best choice. When using this phrase, be clear about the baseline to avoid ambiguity. Although versatile, technical writing might benefit from more precise numerical expressions. Overall, "declined by half" effectively communicates a significant reduction in a wide range of contexts.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
Reduced by 50 percent
Expresses the same concept using a percentage instead of a fraction.
Halved
A concise and direct synonym, suitable for many contexts.
Decreased to 50 percent of its original value
More explicit about the change in value, useful for clarity.
Fell to half its previous amount
Uses "fell" to indicate a downward trend, adding dynamism.
Diminished by 50%
Replaces "declined" with "diminished," keeping the percentage.
Was cut in half
Emphasizes a more forceful or deliberate reduction.
Dropped to half
Uses "dropped" to indicate a quick or sudden decrease.
Shrank by 50 percent
Implies a physical reduction in size or quantity.
Lessened by half
Replaces "declined" with "lessened," suggesting a gradual reduction.
Saw a 50 percent reduction
Focuses on the observation of a reduction, suitable for reports or analyses.
FAQs
How can I use "declined by half" in a sentence?
You can use "declined by half" to describe a situation where a quantity or value has been reduced to 50% of its original amount. For example, "After the policy change, sales "declined by half"."
What are some alternatives to saying "declined by half"?
Alternatives include "halved", "reduced by 50 percent", or "fell to half", depending on the context.
Is it better to say "declined by half" or "decreased by 50 percent"?
Both phrases are correct and usable, but "declined by half" might sound more natural in certain contexts, while "decreased by 50 percent" is more precise and suitable for technical or statistical writing.
What does "declined by half" imply about the change?
"Declined by half" implies a significant reduction in quantity, value, or number, specifically a 50% decrease from the original amount.
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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
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested