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 plethora of documents
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a plethora of documents" is correct and usable in written English.
It can be used when referring to a large or excessive number of documents available or required for a particular purpose. Example: "The research team was overwhelmed by a plethora of documents that needed to be reviewed before the deadline."
✓ Grammatically correct
News & Media
Science
Encyclopedias
Alternative expressions(20)
an abundance of documents
a multitude of documents
a large number of documents
numerous documents
a wealth of documents
a mountain of documents
a host of documents
a variety of documents
a range of documents
a plethora of recommendations
a raft of documents
a plethora of reports
a quantity of documents
a plethora of literature
a plethora of material
a plethora of evidence
a plethora of documentary
a plethora of information
a trove of documents
a plethora of papers
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
1 human-written examples
As disappointing as it was to learn that Einstein didn't pen the letter, it was equally exciting to discover a plethora of documents I hadn't even known existed.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
In this review, a plethora of documented electrospun ceria-based nanofibers are mapped for the first time and an emphasis is given to their preparation methods.
There are a plethora of documented connections between sRNAs and stress, where sRNAs regulate important processes in response to metabolite/nutrient, envelope/outer membrane, oxidative, iron deficiency, anaerobic and pH stress [ 18, 19].
Science
Evidence for this includes the failure to identify common receptor candidates [ 20, 21, 59], the lack of any obvious ligand-binding cleft in the structure of gp64 [ 13], non-saturable binding of AcMNPV to cell surfaces [ 10], a plethora of documented entry routes [ 11, 17, 18] and the ability of gp64 to fuse at both the plasma and endosomal membranes [ 19].
Science
Now we have Ford bobbleheads, or "Robbie Bobbies," and a plethora of GIFs documenting Ford's goofy antics.
News & Media
Despite a plethora of studies documenting rampant discrimination, and many companies increasing efforts to diversify their staff, bias in hiring is still very real.
News & Media
There is a plethora of published literature documenting the ability of ENPs to penetrate biological barriers and initiate a cascade of events, possibly leading to adverse health effects.
20 There is a plethora of published data documenting that, for HIV-infected individuals who experience problems taking ARV medications as prescribed, becoming adherent to ARV therapy is a life-saving behavior change.
The framework is also supported by a plethora of practical tools, guidance documents and examples of good practice available on a central website.
Science
As the U.S. Government Accountability Office (2005) has documented, a plethora of state and federal disability support programs create service overlaps and gaps, and conflicting objectives.
Science
Human infection with a plethora of simian retroviruses is well documented and has led to global pandemics, exemplified by the human immunodeficiency virus (HIV) and human T-lymphotropic virus (HTLV), and local outbreaks, as occurs with simian foamy virus (SFV), simian T-lymphotropic virus (STLV) and occasionally simian immunodeficiency virus (SIV).
Expert writing Tips
Best practice
Use "a plethora of documents" to indicate a large, almost excessive, number of documents when you want to emphasize the abundance. This phrase adds a touch of formality and can be more impactful than simpler alternatives like "many documents".
Common error
Avoid using "a plethora of documents" repeatedly in a single piece of writing. While it's a valid phrase, overuse can make your writing sound repetitive and less engaging. Vary your language by using synonyms like "an abundance of documents" or "a large quantity of documents" to maintain reader interest.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a plethora of documents" functions as a noun phrase, where "plethora" acts as the head noun modified by the adjective "a", and "documents" serves as a post-modifier specifying what the plethora consists of. Ludwig indicates this phrase is grammatically correct.
Frequent in
News & Media
50%
Science
33%
Encyclopedias
17%
Less common in
Formal & Business
0%
Academia
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "a plethora of documents" is a grammatically sound phrase used to denote a large quantity of documents. Ludwig confirms its correctness. While not as common as simpler alternatives like "many documents", it adds a touch of formality and emphasis. The phrase appears frequently in News & Media and Scientific publications. When writing, consider the context and audience to determine if the slightly elevated tone of "plethora" is appropriate, or if a more straightforward term would be more effective. Remember to avoid overuse, and consider synonyms to enhance readability.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
a large number of documents
Replaces "plethora" with a more common synonym, "large number".
an abundance of documents
Substitutes "plethora" with "abundance", emphasizing the ample quantity.
a multitude of documents
Uses "multitude" instead of "plethora", indicating a great number.
a great quantity of documents
Replaces "plethora" with "great quantity", focusing on the amount.
numerous documents
Simplifies the phrase to a single adjective modifying "documents".
a wealth of documents
Employs "wealth" to suggest a rich and plentiful supply of documents.
a vast collection of documents
Highlights the extensive nature of the document collection.
a mountain of documents
Uses a metaphorical "mountain" to convey the overwhelming quantity of documents.
a sea of documents
Similar to "mountain", this uses "sea" to suggest a vast and expansive quantity.
an extensive array of documents
Replaces "plethora" with "extensive array", emphasizing the diverse and comprehensive nature of documents.
FAQs
How can I use "a plethora of documents" in a sentence?
You can use "a plethora of documents" to describe a situation where there are many documents available, such as "The lawyer had to review "a plethora of documents" before the trial".
What are some alternatives to "a plethora of documents"?
Some alternatives to "a plethora of documents" include "an abundance of documents", "a large number of documents", or "numerous documents".
Is it better to say "a plethora of documents" or "many documents"?
"A plethora of documents" is more formal and emphasizes the excessiveness of the number. "Many documents" is simpler and more neutral. The best choice depends on the context and desired tone.
What does "plethora" actually mean in the phrase "a plethora of documents"?
In this phrase, "plethora" signifies a large or excessive amount. Therefore, "a plethora of documents" indicates a large or excessive amount of documents.
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
4.5/5
Expert rating
Real-world application tested