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
key figure
Grammar usage guide and real-world examplesUSAGE SUMMARY
"key figure" is a correct and usable phrase in written English.
You can use it when referring to someone who plays a major role or has a lot of influence in a particular situation. For example, "John is a key figure in the negotiations between the two countries."
✓ Grammatically correct
News & Media
Alternative expressions(20)
pivotal individual
central personality
leading light
driving force
major influence
main protagonist
essential component
cornerstone
pivotal figure
substantial figure
essential figure
key character
instrumental figure
landmark figure
leading performer
top performer
principal actor
outstanding individual
essential icon
vital emblem
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
For Silvers was the key figure in Didion's journalistic transformation.
News & Media
Nevertheless, the American president was the key figure in Paris.
News & Media
"He is a key figure in 20th-century culture".
News & Media
The key figure in Auletta's book is Judge Jackson.
News & Media
Ms. Cohen was a key figure in the orchestra's rebirth.
News & Media
To many, Paul Ryan was a key figure — if not the key figure — in that future.
News & Media
Key Figure: 2003 The year Syracuse won the national title.
News & Media
Posey also was a key figure at the plate.
News & Media
The key figure on the court is Judge Sharon Keller... Describes her conservative stance..
News & Media
Nixon, he thinks, is the key figure in understanding this development.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
1 human-written examples
A second guitar enters after a minute and plays a slow minor-key figure that slides down the neck.
News & Media
Expert writing Tips
Best practice
Use "key figure" to clearly identify someone or something with substantial influence or importance in a specific situation. Ensure the context makes this significance evident to the reader.
Common error
Avoid using "key figure" gratuitously. Ensure the individual or element genuinely holds a central role, and not just a minor part, in the context you are describing.
Source & Trust
96%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "key figure" functions as a noun phrase, typically used as a subject or object in a sentence. It identifies an individual or element as fundamentally important or influential within a specific context. Ludwig examples show how the phrase is consistently used to denote importance.
Frequent in
News & Media
97%
Formal & Business
1%
Science
1%
Less common in
Academia
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "key figure" is a common and grammatically correct noun phrase used to denote someone or something of significant importance. As Ludwig AI confirms, it consistently signifies influence and central roles across diverse contexts, predominantly in news and media. While versatile, ensure its use aligns with genuine significance within the described context, avoiding overuse in trivial situations. Alternatives such as "pivotal individual" or "central personality" may offer nuanced replacements depending on the specific message.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
pivotal individual
Replaces "figure" with "individual", emphasizing the person's role.
central personality
Substitutes "key" with "central" and "figure" with "personality", highlighting the individual's importance to the group.
principal player
Replaces both words with synonyms that are semantically aligned.
driving force
Implies active leadership and significant impact.
leading light
A more metaphorical expression indicating someone who inspires or guides.
major influence
Focuses on the impact the person has, rather than their specific role.
main protagonist
Emphasizes the individual's active role in a particular event or narrative.
chief architect
Highlights the person's role in planning or creating something significant.
essential component
Shifts the focus to something that is a vital element.
cornerstone
A more metaphoric term implying that the person or object is indispensable.
FAQs
How can I use "key figure" in a sentence?
Use "key figure" to describe someone or something essential in a particular situation. For example, "The CEO was the "key figure" in the company's turnaround."
What are some alternatives to using "key figure"?
Alternatives include "pivotal individual", "central personality", or "leading light", depending on the specific context.
Is it better to say "key figure" or "important person"?
"Key figure" implies a more specific and influential role in a particular context than the more general term "important person". Choose the phrase that better reflects the nature of the individual's significance.
What does it mean when someone is described as a "key figure"?
Describing someone as a "key figure" means they are essential or have a significant influence in a particular situation, organization, or event. They play a critical role in its function or outcome.
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
96%
Authority and reliability
4.5/5
Expert rating
Real-world application tested