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 numerous
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a numerous" is not correct in standard written English.
It is typically used incorrectly as "numerous" is an adjective that does not require an article like "a." Example: "There are numerous options available for you to choose from."
⚠ May contain grammatical issues
Science
News & Media
Academia
Encyclopedias
Wiki
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
There is a cast of characters rather than a numerous society.
News & Media
At any moment there has always been a numerous, physically visible, and audible company of children.
Encyclopedias
The sciences are a numerous class, and will be found to present great differences.
Animal models in fracture repair comprise different species and a numerous variety of fixation devices.
For a numerous and dressed-up audience, presumably donors, music provided a prelude for a postculture dinner upstairs.
News & Media
Among amateur baseball statisticians, a numerous and dedicated bunch, the formula has become known as the Davenport Translation.
News & Media
Mr. Vanunu was barred from speaking to foreigners but has given a numerous interviews to foreign news organizations.
News & Media
The proposed scheme is applied to a signal simulated from gearbox frequencies with a numerous values of step size.
Science
Sentiment analysis is revolutionizing the study of communication with a numerous companies now offering it as a service.
News & Media
Tyson requested a meeting with Ford, who has been embroiled in a numerous incidents involving drink and drugs.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
1 human-written examples
a. Numerous studies have examined the effects of socioeconomic status on child health or mortality using cross-sectional data.
Science
Expert writing Tips
Best practice
Avoid using "a numerous" in formal writing. Use alternatives such as "many" or "a large number of" to maintain grammatical correctness.
Common error
Do not treat "numerous" as a noun requiring an article. "Numerous" is an adjective. Instead of saying "a numerous amount", simply use "numerous" followed by the noun it modifies, or use a grammatically correct alternative like "a large number of".
Source & Trust
80%
Authority and reliability
2.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a numerous" functions incorrectly as a determiner followed by an adjective. Ludwig AI indicates that it's a grammatical error, as "numerous" itself is an adjective and doesn't require the article "a".
Frequent in
Science
28%
News & Media
26%
Academia
15%
Less common in
Encyclopedias
7%
Wiki
4%
Formal & Business
0%
Ludwig's WRAP-UP
In summary, while the phrase "a numerous" appears with high frequency across diverse sources, including science, news, and academic texts, it is grammatically incorrect. Ludwig AI confirms that "numerous" is an adjective that doesn't require the article "a". Instead, use "numerous" directly before the noun it modifies, or opt for grammatically sound alternatives such as "many" or "a large number of". Avoiding "a numerous" will enhance the clarity and correctness of your writing, especially in formal contexts.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
many
A direct replacement, removing the article and using a simple adjective to indicate quantity.
a large number of
Replaces "numerous" with a prepositional phrase expressing a significant quantity.
numerous instances
Emphasizes multiple occurrences by using "instances" as a countable noun.
frequent cases
Highlights the regularity of occurrence rather than a simple count.
a multitude of
Conveys a sense of a very large, almost uncountable, quantity.
several
Indicates more than two but not a large number, offering a less dramatic quantity.
various
Highlights diversity within a quantity, rather than just the quantity itself.
a plethora of
Suggests an overabundance or excessive amount of something.
abundant
Implies a rich supply or more than sufficient quantity.
innumerable
Emphasizes that something is too numerous to be counted.
FAQs
Is "a numerous" grammatically correct?
No, "a numerous" is grammatically incorrect. "Numerous" is an adjective and does not require the article "a". Use "numerous" directly, or rephrase using alternatives like "a large number of" or "many".
What's the difference between "a numerous" and "numerous"?
"Numerous" is the correct adjective meaning 'many'. The phrase "a numerous" is grammatically incorrect because "numerous" doesn't function as a noun requiring an article. Always use "numerous" directly to describe something.
What can I say instead of "a numerous amount of"?
Instead of "a numerous amount of", use alternatives like "a large amount of", "a significant amount of", or simply "much" depending on the context.
How can I correctly use "numerous" in a sentence?
Use "numerous" directly before the noun it modifies. For example, instead of "a numerous errors", say "numerous errors". Or, if you want to include 'a', use phrases like "a large number of" errors.
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
80%
Authority and reliability
2.8/5
Expert rating
Real-world application tested