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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
A substantial number
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "A substantial number" is correct and usable in written English.
It can be used when referring to a significant quantity or amount of something, often in statistical or analytical contexts. Example: "A substantial number of participants reported an increase in satisfaction after the program was implemented."
✓ Grammatically correct
News & Media
Science
Formal & Business
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
58 human-written examples
A substantial number were subsequently lost.
News & Media
A substantial number are found homes.
News & Media
A substantial number of fatalities occurred in businesses.
News & Media
"A substantial number of people were saying, 'Where is God in this?' " SUSAN STELLIN.
News & Media
A substantial number of those were among the unvaccinated Amish communities in Ohio.
News & Media
A substantial number of apps have been hacked, new research shows.
News & Media
A substantial number, including top dealmakers, moved to boutique firms, with some hanging their own shingle.
News & Media
A substantial number – 367,936 – of OK!'s sales were not at full rate.
News & Media
A substantial number of the characters we are introduced to have since died.
News & Media
A substantial number of bioaccumulation fish tests are conducted regularly.
A substantial number have been built over.
Wiki
Expert writing Tips
Best practice
Use "a substantial number" when you want to emphasize that the quantity is significant and noteworthy. It's more formal than "a lot" but less technical than "a statistically significant amount".
Common error
Avoid using "a substantial number" in contexts where simpler phrasing like "many" or "a lot" would suffice. Overusing formal language can make your writing sound stilted or pretentious.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a substantial number" functions as a quantifier, modifying a noun to indicate a considerable quantity. As supported by Ludwig, the phrase is grammatically correct and widely used.
Frequent in
News & Media
44%
Science
28%
Formal & Business
28%
Less common in
Wiki
1%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "a substantial number" is a versatile phrase used to denote a significant quantity or amount. Ludwig AI confirms its grammatical correctness and frequent usage across various writing styles. While largely interchangeable with phrases like "a significant quantity" or "a considerable amount", "substantial" often conveys a sense of greater magnitude. It is most common in news, scientific, and business contexts, maintaining a neutral to professional register. Avoid overuse in informal settings where simpler terms like "many" would be more appropriate. By understanding these nuances, you can effectively incorporate this phrase into your writing to add clarity and impact.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
a significant quantity
Replaces "number" with "quantity", emphasizing the amount rather than the count.
a considerable amount
Uses "considerable" instead of "substantial", conveying a similar meaning but with a slightly different tone.
a large proportion
Focuses on the ratio or percentage, suitable when discussing parts of a whole.
a good many
An idiomatic alternative that is less formal than "a substantial number".
numerous instances
Replaces "number" with "instances", suitable when referring to occurrences or examples.
a sizable contingent
More appropriate when referring to a group of people.
an appreciable quantity
Uses "appreciable" to highlight that the quantity is easily noticed or measured.
a hefty percentage
More forceful, suggests the percentage is unexpectedly high.
a major segment
Better used when talking about divisions or parts of something bigger.
a flood of
Suggests a sudden and abundant influx, typically used with events or items that arrive rapidly.
FAQs
How can I use "a substantial number" in a sentence?
You can use "a substantial number" to indicate that a quantity or amount is significant. For example, "A substantial number of students reported feeling stressed during exams".
What are some alternatives to "a substantial number"?
Alternatives include "a significant quantity", "a considerable amount", or "a large proportion", depending on the context.
Is it better to use "a substantial number" or "many"?
"A substantial number" is more formal and emphasizes the significance of the quantity. "Many" is simpler and more general. The best choice depends on the tone and audience of your writing.
What's the difference between "a substantial number" and "a significant number"?
While both phrases indicate a notable quantity, "a substantial number" often implies a greater magnitude or importance than "a significant number". They are largely interchangeable, but "substantial" can suggest something more concrete or impactful.
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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