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
compendium of all knowledge
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "compendium of all knowledge" is correct and usable in written English.
It can be used to refer to a comprehensive collection or summary of information on a particular subject or a wide range of subjects. Example: "The internet has become a compendium of all knowledge, providing access to information on virtually any topic imaginable."
✓ Grammatically correct
Science
News & Media
Encyclopedias
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
2 human-written examples
Eriugena's masterpiece is undoubtedly the Periphyseon (written c.862- c.867), a long dialogue in five books between an anonymous 'Teacher' (nutritor) and his 'Student' (alumnus) that attempts to be a compendium of all knowledge presented within a Neoplatonic cosmology of the procession and return of all things from the divine One.
Science
But: this is representative of the astonishing fact that the internet, humankind's compendium of all knowledge useful and not, is being used as a tool to promote willful ignorance in a way that presumes social advantage.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
58 human-written examples
He's "a compendium of all human knowledge" in the 2030 library.
News & Media
Today most people think of an encyclopaedia as a multivolume compendium of all available knowledge, complete with maps and a detailed index, as well as numerous adjuncts such as bibliographies, illustrations, lists of abbreviations and foreign expressions, gazetteers, and so on.
Encyclopedias
But by allowing specialists to pool their knowledge on a Web site, he said, the Encyclopedia of Life will be able to come close to the dream of a compendium of all the known species in the world.
News & Media
Wilson's piece threatens to be an updated compendium of all these clichés.
News & Media
In a Paris Review interview, he said, "My first novel... is a compendium of all the writers I loved and admired".
News & Media
His cards were all the compendium of his knowledge of the farm, and one by one he played them to me.
News & Media
For Her (a "faux-expert compendium of scientific knowledge").
News & Media
The blurb describes it as "a thorough compendium of the knowledge of the pharmacological, medical, and legal aspects of drugs".
News & Media
Although lacking in unity, it is a compendium of the knowledge of the time that had been neglected by the less speculative scholars of the new state Confucianism.
Encyclopedias
Expert writing Tips
Best practice
When writing about something that represents a comprehensive resource for information, consider using "compendium of all knowledge" to emphasize its broad scope.
Common error
Avoid using "compendium of all knowledge" when a simpler term like "collection", "summary", or "overview" would suffice. Overusing the phrase can make your writing sound unnecessarily verbose and pretentious.
Source & Trust
85%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "compendium of all knowledge" functions as a noun phrase that typically acts as a subject complement or object. It describes something that aims to contain a comprehensive collection of information.
Frequent in
Science
33%
News & Media
33%
Encyclopedias
33%
Less common in
Formal & Business
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "compendium of all knowledge" is a grammatically correct and descriptive noun phrase used to denote a comprehensive collection of information. While not extremely common, according to Ludwig's analysis, it appears across diverse contexts, including science, news, and encyclopedias. Using simpler terms might be better in informal instances. Its formal register makes it suitable for academic, scientific, and professional writing when emphasizing the exhaustive nature of a knowledge base. Alternatives include "repository of all information" or "encyclopedia of all subjects".
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
repository of all information
Replaces "compendium" with "repository", focusing on storage aspect.
collection of all wisdom
Substitutes "knowledge" with "wisdom", implying a deeper understanding.
encyclopedia of all subjects
Specifies the form of the compendium as an "encyclopedia" and replaces "knowledge" with "subjects".
summary of all learning
Uses "summary" instead of "compendium", suggesting a condensed form of knowledge.
database of total knowledge
Emphasizes a structured collection of data, replacing "compendium" with "database" and "all" with "total".
archive of complete knowledge
Focuses on preserving knowledge over time, replacing "compendium" with "archive".
inventory of every fact
Highlights individual facts instead of general knowledge, replacing "compendium" with "inventory".
catalog of universal learning
Replaces "knowledge" with "learning", suggesting an active acquisition of information and "all" with "universal".
index of all data
Suggests a structured listing of information, replacing "compendium" with "index" and "knowledge" with "data".
treasury of all insights
Implies value and importance of the accumulated knowledge, replacing "compendium" with "treasury" and "knowledge" with "insights".
FAQs
How can I use "compendium of all knowledge" in a sentence?
You can use "compendium of all knowledge" to describe something that contains a wide range of information on various subjects. For example, "The internet is often described as a "compendium of all knowledge" because it offers access to information on virtually any topic imaginable".
What's a good alternative to "compendium of all knowledge"?
Alternatives to "compendium of all knowledge" include "repository of all information", "collection of all wisdom", or "encyclopedia of all subjects". The best choice depends on the specific context.
Is "compendium of all knowledge" an overused phrase?
While "compendium of all knowledge" is a valid and descriptive phrase, it can be considered somewhat formal or grandiose. In many cases, simpler alternatives like "comprehensive collection" or "complete resource" might be more appropriate.
In what contexts is "compendium of all knowledge" most appropriate?
The phrase "compendium of all knowledge" is best suited for describing resources that genuinely aim to be comprehensive and all-encompassing, such as large databases, encyclopedias, or vast libraries. Using it for smaller or more focused collections might be an exaggeration.
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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
4.1/5
Expert rating
Real-world application tested