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
a substantial drop in
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a substantial drop in" is correct and usable in written English.
It can be used when discussing a significant decrease in a particular quantity or measurement. Example: "There was a substantial drop in sales during the last quarter, which raised concerns among the management team."
✓ Grammatically correct
Science
News & Media
Formal & Business
Alternative expressions(14)
a significant decline in
a considerable decrease in
a significant decrease in
a considerable decline in
a marked reduction in
a major reduction in
a steep decline in
a considerable lessening of
a substantial dip in
a noticeable drop in
a major drop in
a substantial reduction in
a considerable drop in
a notable drop in
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
59 human-written examples
In contrast, there was a substantial drop in choice accuracy following the infusion of either muscimol (58%) or AP5 (67%).
Science
There was however a substantial drop in OTC trading.
We had a substantial drop in the first quarter of this year.
News & Media
An urgent programme to vaccinate children, teenagers and young adults has led to a substantial drop in the numbers unprotected.
News & Media
In this case, though, a pretty modest rate of growth has been associated with a substantial drop in unemployment.
News & Media
Its imports from Australia, the only country in the group not experiencing a substantial drop in exports, have soared.
News & Media
And even a moderate recession could leave the budget projections unrealistic, as could a substantial drop in the stock market.
News & Media
There was simultaneously a sharp increase in the number of physicians, and a substantial drop in infant mortality.
Encyclopedias
Results indicate that large non-uniformity of suction flow causes a substantial drop in the pump head.
Science
Fears over a possible link between the MMR jab and autism led to a substantial drop in take-up of the vaccine.
News & Media
The scientists said that, over all, there has been a substantial drop in the rate of wetlands destruction since the 1970's.
News & Media
Expert writing Tips
Best practice
When using "a substantial drop in", ensure that the context clearly indicates what is experiencing the decline. Providing specific numbers or percentages can strengthen the impact of your statement.
Common error
Avoid attributing "a substantial drop in" something to a single cause without sufficient evidence. Multiple factors often contribute to significant declines, and oversimplifying the cause can lead to inaccurate conclusions.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a substantial drop in" functions as a noun phrase that typically acts as the subject or object of a sentence. It indicates a significant reduction or decrease in something. As Ludwig AI confirms, the phrase is grammatically correct and widely used.
Frequent in
Science
37%
News & Media
41%
Formal & Business
8%
Less common in
Encyclopedias
1%
Wiki
1%
Reference
0%
Ludwig's WRAP-UP
In summary, "a substantial drop in" is a grammatically sound and frequently used phrase to denote a significant decline. As verified by Ludwig AI, its usage spans various contexts, from scientific research to news reporting. When employing this phrase, be sure to provide context to explain what is experiencing the decrease and, if possible, quantify the change with specific figures. Remember to avoid oversimplifying the causes of the drop, as multiple factors are often at play. With diverse alternatives like "a significant decrease in" and "a considerable decline in", you can refine your writing while maintaining clarity.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
a significant decrease in
Replaces "substantial" with "significant", emphasizing the importance of the decrease.
a considerable decline in
Uses "considerable" and "decline" to highlight the noteworthiness of the reduction.
a marked reduction in
Substitutes "substantial" with "marked" and "drop" with "reduction", focusing on the noticeable aspect of the decrease.
a noticeable fall in
Replaces "substantial" with "noticeable" and "drop" with "fall", indicating the ease with which the decrease can be observed.
a sharp downturn in
Employs "sharp downturn" to suggest a sudden and significant decrease, often in an economic context.
a major reduction in
Uses "major" to emphasize the importance of the reduction.
a steep decline in
Replaces drop with decline emphasizing the sudden and quick diminishing.
a considerable lessening of
Uses "lessening of" as the replacement of drop and "considerable" as the replacement of "substantial".
a large decrease of
Uses "large decrease of" as a synonymous of "substantial drop in"
a significant lessening in
Uses "significant lessening in" as a synonymous of "substantial drop in".
FAQs
How can I use "a substantial drop in" in a sentence?
Use "a substantial drop in" to describe a significant decrease. For example, "There was "a substantial drop in sales" last quarter."
What are some alternatives to "a substantial drop in"?
Alternatives include "a significant decrease in", "a considerable decline in", or "a marked reduction in", depending on the context.
Is it better to say "substantial drop" or "significant drop"?
Both "substantial drop" and "significant drop" are acceptable. "Substantial" implies a considerable amount, while "significant" suggests importance or consequence. The choice depends on the specific nuance you wish to convey.
Can "a substantial drop in" be used for abstract concepts, or only for quantifiable items?
While often used with quantifiable items like sales or numbers, "a substantial drop in" can also apply to abstract concepts such as morale or confidence, as long as the decrease is significant and noticeable.
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
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested