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
is thoroughly known
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "is thoroughly known" is correct and usable in written English.
It can be used when stating that something is well understood or widely recognized. Example: "The theory of relativity is thoroughly known among physicists and is often taught in introductory courses."
✓ Grammatically correct
News & Media
Science
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
2 human-written examples
Although exploration of the genome has already begun, it will be decades before every detail is thoroughly known.
News & Media
Since Mr Brown is thoroughly known and not popular, the main area of volatility is surely the public's attitude to the Conservatives.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
"If someone is going to beat us, they're going to be thoroughly known when they win," said David Axelrod, Mr. Obama's longtime strategist.
News & Media
The statement echoes the National Rifle Association, which yesterday said: "Until the facts are thoroughly known, the NRA will not be making any comment".
News & Media
The National Rifle Association, one of the most powerful interest groups in Washington and in statehouses across the nation, said it would not comment on the shooting "until the facts are thoroughly known".
News & Media
But before conscience can conclusively determine what morally should be done, he thought that the state of the question should be thoroughly known.
Wiki
Our findings suggest that, if the structures and functions of existing aptamers are thoroughly known, the grafting strategy can be facilely utilized to improve the aptamer properties and thereby producing better next-generation aptamers.
Science
The mechanism behind this increased susceptibility is not thoroughly known; however, it may be explained by the gene dosage effect caused by the additional copy of chromosome 21, which could be involved in the malignant transformation of haematopoietic cells (Xavier and Taub, 2010).
Science
The consistently low levels of OPAHs in air after June 2010 are different from the PAH temporal profile where increases were observed in April 2011 in both LA and MS. Although toxicity of OPAHs is not thoroughly known, early evidence suggests development toxicity may be the same or higher for some OPAHs than the parent PAH.
The second volume just came out in hardcover and they've managed to take a character that is so thoroughly known and have made him surprising and fresh.
News & Media
And even when an event is thoroughly documented, we know that wounded victims sometimes flee the scene and avoid hospitals, obscuring true mass shooting injury counts.
News & Media
Expert writing Tips
Best practice
When using "is thoroughly known", ensure that the context clearly supports the claim that something is indeed widely and deeply understood. Provide evidence or examples if necessary to strengthen your assertion.
Common error
Avoid using "is thoroughly known" when the subject is still debated or lacks complete evidence. Overstating the degree of understanding can undermine your credibility.
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "is thoroughly known" functions as a predicate adjective, describing the state of a subject as being completely understood or widely recognized. It indicates a high level of comprehension and acceptance, as supported by Ludwig's examples.
Frequent in
News & Media
33%
Science
33%
Wiki
33%
Less common in
Formal & Business
0%
Encyclopedias
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, the phrase "is thoroughly known" is a grammatically correct and usable expression indicating a comprehensive understanding or widespread recognition of a subject. According to Ludwig, while not exceptionally frequent, it finds relevance across news, science, and wiki contexts. It's crucial to ensure the context genuinely supports the claim of thorough knowledge, avoiding overstatements about debated or unproven topics. Alternatives like "is well understood" and "is widely recognized" offer nuanced substitutions to explore when expressing levels of understanding. The examples found by Ludwig AI underscores its utility in academic discussions and informative reporting, positioning it as a valuable phrase for clear and precise communication.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
is well understood
Replaces "thoroughly known" with a more common synonym for understanding.
is widely recognized
Focuses on the recognition aspect rather than the depth of knowledge.
is completely understood
Emphasizes the completeness of understanding.
is fully comprehended
Uses a more formal synonym for 'understood'.
is intimately familiar
Indicates a deep, personal level of knowledge.
is universally acknowledged
Highlights that knowledge is accepted by everyone.
is exhaustively researched
Focuses on the research aspect implying in depth analysis is already done.
is extensively documented
Emphasizes that the knowledge is supported by detailed records.
is commonly known
Highlights that the information is generally accessible.
is established knowledge
Highlights that this is considered a fact.
FAQs
How can I use "is thoroughly known" in a sentence?
The phrase "is thoroughly known" indicates that something is widely understood and recognized. For example, "The theory of relativity "is thoroughly known" among physicists."
What are some alternatives to "is thoroughly known"?
You can use alternatives such as "is well understood", "is widely recognized", or "is completely understood" depending on the specific nuance you want to convey.
Is it better to say "is thoroughly known" or "is well known"?
"Is thoroughly known" suggests a deeper level of understanding compared to "is well known". Use "is thoroughly known" when you want to emphasize that something is not only recognized but also deeply comprehended.
In what contexts is "is thoroughly known" most appropriate?
The phrase "is thoroughly known" is suitable in academic, scientific, or professional contexts where a high degree of understanding is expected. It's less common in informal settings.
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
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested