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 key example
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a key example" is correct and usable in written English.
It can be used to highlight an important or significant instance that illustrates a point or concept. Example: "The study of climate change provides a key example of how human activity impacts the environment."
✓ Grammatically correct
News & Media
Academia
Science
Alternative expressions(20)
a major example
a prime exemplar
a telling case
a perfect illustration
a substantial example
for instance
one such case
one particular example
consider the case of
a core example
a prime illustration
a striking instance
a clear illustration
a crucial example
a notable instance
a excellent example
a significant case
a significant example
a prime instance
a case in point
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
60 human-written examples
Medicine is a key example.
Academia
Only because it's such a key example.
He mentioned the Lobbying Act as a key example.
News & Media
A key example here is Capcom's RE7 demo.
News & Media
The Katahdin Esker in Maine, USA is a key example.
Science & Research
The legacy of redrawn borders is a key example.
News & Media
A key example of this is in navigating the game's front-end.
News & Media
The Peaceful Village section of Uncharted 2 is a key example.
News & Media
His weird vision changed a lot of things in popular culture; games are a key example.
News & Media
So - the Sunday Times thalidomide journalism of the 1960s is a key example.
News & Media
Even in Egypt, which Mason uses as a key example, these are false targets.
News & Media
Expert writing Tips
Best practice
Ensure that the example you provide after using "a key example" is directly relevant to the topic and adds substantial insight, rather than being a superficial or loosely related illustration.
Common error
Avoid using "a key example" for trivial or self-evident points. Reserve it for situations where the example significantly clarifies or strengthens your argument, preventing overuse from diluting its impact.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a key example" functions as a discourse marker or signal phrase. It's used to introduce an instance or illustration that is particularly important or revealing in supporting an argument or explaining a concept. As confirmed by Ludwig AI, the phrase is considered correct and usable in written English.
Frequent in
News & Media
49%
Academia
21%
Science
21%
Less common in
Formal & Business
7%
Encyclopedias
1%
Reference
1%
Ludwig's WRAP-UP
In summary, "a key example" is a grammatically correct and highly versatile phrase used to introduce significant illustrative instances across various contexts. Ludwig AI analysis confirms its validity and utility. The phrase is prevalent in News & Media, Academia, and Science, making it appropriate for both formal and informal writing styles. When using "a key example", ensure the subsequent instance is relevant and impactful to reinforce your argument effectively. Alternatives such as "a prime illustration" or "a notable instance" can provide variety while maintaining clarity. Using this phrase effectively will strengthen your writing by highlighting crucial evidence and clarifying complex ideas.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
a prime illustration
Replaces "example" with "illustration" and "key" with "prime", emphasizing the clarity and suitability of the illustration.
a notable instance
Substitutes "example" with "instance" and "key" with "notable", highlighting the significance and worthiness of attention of the instance.
a significant case
Replaces "example" with "case" and "key" with "significant", focusing on the importance and impact of the specific situation.
a telling demonstration
Substitutes "example" with "demonstration" and "key" with "telling", indicating that the demonstration is revealing and insightful.
a classic exemplar
Replaces "example" with "exemplar" and "key" with "classic", implying that the exemplar is well-known and serves as a standard.
a striking instance
Substitutes "example" with "instance" and "key" with "striking", drawing attention to the remarkable and noticeable nature of the instance.
a powerful illustration
Replaces "example" with "illustration" and "key" with "powerful", highlighting the strong and impactful nature of the illustration.
a remarkable demonstration
Replaces "example" with "demonstration" and "key" with "remarkable", emphasizing the exceptional and noteworthy quality of the demonstration.
an instructive case
Replaces "example" with "case" and "key" with "instructive", suggesting that the case provides valuable lessons and insights.
a central illustration
Substitutes "example" with "illustration" and "key" with "central", indicating that the illustration is fundamental and essential.
FAQs
How can I use "a key example" in a sentence?
Use "a key example" to introduce a specific instance that illustrates a broader point or concept. For instance, "The impact of social media on political campaigns is "a key example" of technology's influence on modern society."
What are some alternatives to "a key example"?
You can use alternatives like "a prime example", "a notable instance", or "a significant case depending on the context. Each alternative offers a slightly different nuance in emphasizing the importance and relevance of the example.
When is it appropriate to use "a key example" in writing?
Use "a key example" when you want to highlight a particularly important or illustrative instance that supports your argument or explains a concept effectively. It's suitable for both formal and informal writing contexts.
What makes "a key example" different from a typical example?
"A key example" implies that the instance is particularly significant or representative of a larger trend or phenomenon. It suggests that this example is crucial for understanding the topic at hand, unlike a regular example that might simply provide a general illustration.
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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
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested