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 well-known instance
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a well-known instance" is correct and usable in written English.
It can be used to refer to a widely recognized example or case of something, often in discussions or analyses. Example: "The theory of evolution is supported by a well-known instance of natural selection observed in the Galápagos finches."
✓ Grammatically correct
News & Media
Science
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
She cited a well-known instance in which a tip from American intelligence helped thwart a potential terrorist attack in Germany.
News & Media
A well-known instance of this is the so-called matching behavior [27].
Science
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
KNN is a well-known instance-based classification algorithm[26], which does not make any assumptions on the underlying data distribution.
In one well-known instance, doctors at a community hospital in Redding, Calif., owned by Tenet Healthcare were accused of defrauding Medicare by performing unnecessary heart operations on hundreds of healthy patients.
News & Media
It also said the reporting of suspected crimes had been strongly hampered by a "code of silence" among the clergy which had seen those who dared to break it "ostracised, demoted and fired", and cited one well-known instance from 2001 in which a bishop was in effect congratulated for having kept to it.
News & Media
One well-known instance is the casting of lots by Roman guards (which in all likelihood meant that they threw knucklebones) for the garment of Jesus during the Crucifixion.
Encyclopedias
One well-known instance of this process is the fractured fairy tale "Ladle Rat Rotten Hut" ("Little Red Riding Hood"), and Luis d'Antin Van Rooten played this game brilliantly and bilingually in a book called "Mots d'Heures: Gousses, Rames" ("Mother Goose Rhymes").
News & Media
In order to present the method and examine its convergence properties we use the well-known instance of the two-level atom line formation with complete frequency redistribution.
Science
He even clashed with Orthodox Jews in one well-known instance: The religious Jews he met on his trek around Europe would not let themselves be photographed, quoting the Bible and its prohibition of making of graven images.
Wiki
One well-known instance of this process in mammals is male-male competition for sexual access to females, which has resulted in a diverse array of characters important for males in conflict situations [ 12, 13].
Science
However, for a number of well-known instances of network topologies with one-step diagnosability being τ, their one-step diagnosability cannot be further increased only when some node happens to have exactly τ faulty neighbors and no normal neighbor.
Expert writing Tips
Best practice
Use "a well-known instance" when you want to refer to an example that is widely recognized and understood by your audience. This phrase is effective for providing context and grounding your argument in shared knowledge.
Common error
Avoid using "a well-known instance" as a substitute for providing specific details. While the phrase suggests familiarity, ensure that your audience actually knows the instance you're referencing or provide enough context for them to understand its relevance.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a well-known instance" functions as a noun phrase, typically used as a subject complement or an appositive. It identifies a specific example that is generally recognized. Ludwig AI confirms its proper usage across varied contexts.
Frequent in
News & Media
33%
Science
33%
Encyclopedias
33%
Less common in
Formal & Business
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "a well-known instance" is a grammatically correct and frequently used noun phrase to refer to a widely recognized example or case. Ludwig AI confirms its usability in diverse contexts. It is employed across various domains, including news, science, and encyclopedias, with a neutral register. For alternative expressions, consider "a famous example" or "a widely recognized case". Remember to ensure that the instance you refer to is indeed well-known or provide sufficient context for your audience.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
a famous example
Replaces "well-known" with "famous", indicating widespread recognition.
a widely recognized case
Substitutes "instance" with "case" and "well-known" with "widely recognized", emphasizing broad acknowledgment.
a notable occurrence
Uses "notable" instead of "well-known" and "occurrence" in place of "instance", suggesting importance.
a prominent example
Replaces "well-known" with "prominent", focusing on the example's significance or visibility.
a classic illustration
Substitutes "instance" with "illustration" and "well-known" with "classic", implying a standard or typical example.
a typical case
Uses "typical" to highlight that it's representative or common.
a prime example
Emphasizes the example's excellence or suitability using "prime".
a common situation
Focuses on the frequency of the situation rather than its notability.
a recognized phenomenon
Shifts the focus to the fact being an observed reality.
a noted incident
Uses "noted" instead of "well-known" and "incident" to indicate something that has been observed or recorded.
FAQs
What does "a well-known instance" mean?
The phrase "a well-known instance" refers to an example, event, or case that is widely recognized or familiar to many people. It suggests that the example is not obscure or unique, but rather something commonly understood.
How can I use "a well-known instance" in a sentence?
You can use "a well-known instance" to introduce a common example that supports your argument or provides context. For example, "The theory of evolution is supported by "natural selection", a well-known instance of adaptation in species".
What are some alternatives to "a well-known instance"?
Alternatives to "a well-known instance" include phrases like "a famous example", "a widely recognized case", or "a notable occurrence", depending on the specific nuance you want to convey.
Is it better to use "a well-known example" or "a well-known instance"?
Both "a well-known example" and "a well-known instance" are acceptable. The choice between them often comes down to personal preference or the specific context. "Instance" may be slightly more formal, while "example" is more common and generally applicable.
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
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested