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
expounded upon
Grammar usage guide and real-world examplesUSAGE SUMMARY
"expounded upon" is correct and usable in written English.
You can use it when describing an idea or concept that has been explained in detail or at length. Example: The speaker expounded upon the advantages of using renewable energy sources for the environment.
✓ Grammatically correct
News & Media
Encyclopedias
Science
Alternative expressions(20)
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
This idea is expounded upon in his book.
News & Media
And he expounded upon what he called his moth theory, that people are attracted to light.
News & Media
His father confirmed and expounded upon his son's intentions in a telephone interview Sunday.
News & Media
He expounded upon that world from a perch about as far removed from it as possible.
News & Media
The prisoners' story was expounded upon at great length to the shivering, bareheaded multitudes by President-elect William Howard Taft.
News & Media
Fujimoto expounded upon that philosophy in Fujimoto Sōsuke genshotekina mirai no kenchiku (2008; Sou Fujimoto: Primitive Future).
Encyclopedias
The popularity of the game led to a cinematic adaptation, Warcraft (2016), which expounded upon the mythology of Azeroth.
Encyclopedias
The description of "patient simulator" actors in medical education ("Medical Students Get Taste of Real-Life Doctoring") expounded upon the virtues of convenience and uniformity.
News & Media
Updike often expounded upon characters from earlier novels, eliding decades of their lives only to place them in the middle of new adventures.
Encyclopedias
He gave an infamous interview to "60 Minutes" in April, during which he expounded upon his anti-snitching ethos, going so far as to claim he wouldn't turn in the hypothetical serial killer next-door.
News & Media
The cover now shouts the editors' selection of the most important review of the week (a choice I would just as soon make for myself), which is further expounded upon in the loud and self-indulgent Up Front column.
News & Media
Expert writing Tips
Best practice
Use "expounded upon" when you want to emphasize that a subject was discussed in great detail or with considerable explanation. It suggests a thorough and comprehensive treatment of the topic.
Common error
Avoid using "expounded upon" in overly simple contexts where a more straightforward term like "explained" or "detailed" would suffice. Choose language that matches the complexity of the subject matter and the audience.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "expounded upon" functions as a verb phrase, specifically a phrasal verb with a preposition. It signifies the action of providing a detailed explanation or commentary on a particular subject. Ludwig AI confirms its validity.
Frequent in
News & Media
41%
Encyclopedias
23%
Science
20%
Less common in
Wiki
7%
Lifestyle
2%
Arts
2%
Ludwig's WRAP-UP
In summary, "expounded upon" is a grammatically correct and commonly used phrasal verb that signifies a detailed explanation or commentary. Ludwig AI confirms its validity. Its formal register and frequent appearance in news, encyclopedias, and scientific publications suggest a usage best suited for contexts where thoroughness and expertise are valued. While alternatives like "elaborated on" or "detailed" may be suitable in certain situations, "expounded upon" carries a unique emphasis on the depth of the explanation. When using this phrase, ensure it aligns with the overall tone and complexity of the subject matter to avoid appearing pretentious. Understanding these nuances will enable more effective and precise communication.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
elaborated on
Focuses on adding more details or information to what has already been said.
expanded on
Suggests a broadening of the scope or coverage of a topic.
detailed
Indicates providing thorough and specific information.
enlarged on
Implies making something bigger or more extensive in explanation.
developed further
Suggests taking an idea or concept and evolving it to a more advanced stage.
gave more detail about
Straightforward way of saying more information was provided.
went into greater depth on
Focuses on a more thorough examination of a particular aspect.
clarified in detail
Highlights the act of making something clearer through extensive explanation.
commented extensively on
Focuses on providing significant commentary or remarks.
analyzed at length
Highlights a detailed analysis or examination over a considerable duration or extent.
FAQs
How can I use "expounded upon" in a sentence?
You can use "expounded upon" to indicate that someone has provided a detailed explanation or commentary on a subject. For example: "The professor "expounded upon" the complexities of quantum physics."
What are some alternatives to "expounded upon"?
Alternatives include "elaborated on", "detailed", or "explained at length". The best choice depends on the specific context and the nuance you want to convey.
Is it correct to say "expounded on" instead of "expounded upon"?
While "expounded on" is also grammatically correct, "expounded upon" is generally considered more formal and emphasizes the thoroughness of the explanation. Both options are acceptable, but choose the one that best fits the tone of your writing.
What is the difference between "expounded upon" and "summarized"?
"Expounded upon" means to provide a detailed explanation, while "summarized" means to give a brief overview. These terms are opposites. Use "expounded upon" when you want to delve into the details, and "summarized" when you want to provide a concise account.
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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
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested