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
defining feature of
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "defining feature of" is correct and usable in written English.
It can be used to describe a characteristic that is essential or distinctive to something. Example: "The defining feature of a successful leader is their ability to inspire and motivate others."
✓ Grammatically correct
News & Media
Science
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
They are the defining feature of my aesthetic.
News & Media
Boozing is the defining feature of Hamilton's life and work.
News & Media
Delays are the defining feature of the system.
News & Media
Stone has become the defining feature of any city.
News & Media
Isn't the thumb keyboard the defining feature of a BlackBerry?
News & Media
1. Polarization Gridlock is the defining feature of today's Washington.
News & Media
The defining feature of Afghanistan is its diversity.
News & Media
Seriousness isn't the defining feature of the Bots anyway.
News & Media
The defining feature of diabetes is elevated blood sugar.
News & Media
Indeed, it is the defining feature of the modern corporation.
News & Media
Such insubordination has been a defining feature of his life.
News & Media
Expert writing Tips
Best practice
Use "defining feature of" to highlight what makes something unique and easily identifiable.
Common error
Avoid using "defining feature of" for characteristics that are subjective or not universally recognized. Ensure the feature is objectively verifiable and widely accepted as significant.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "defining feature of" functions as a noun modifier, specifying a particular attribute or characteristic that is crucial or essential to the noun it precedes. As confirmed by Ludwig AI, it serves to highlight what makes something distinctly recognizable or fundamentally important. The numerous examples provided confirm its role in specifying key aspects across diverse subjects.
Frequent in
News & Media
60%
Science
25%
Formal & Business
10%
Less common in
Encyclopedias
1%
Reference
1%
Wiki
1%
Ludwig's WRAP-UP
The phrase "defining feature of" is a versatile and frequently used expression to emphasize the most critical or distinctive attribute of a subject. As Ludwig AI confirms, it is grammatically sound and suitable for various contexts, ranging from news and media to scientific and formal writing. The phrase functions as a noun modifier, highlighting essential characteristics and distinguishing elements. While alternatives like "key characteristic of" or "essential trait of" exist, "defining feature of" provides a clear and direct way to pinpoint the core aspect. When using the phrase, ensure that the feature is objectively verifiable and widely recognized for maximum impact.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
key characteristic of
Focuses on a characteristic, emphasizing its importance.
essential trait of
Highlights a trait as fundamentally necessary.
hallmark of
Emphasizes a distinctive or recognizable characteristic.
distinguishing attribute of
Highlights an attribute that sets something apart.
primary aspect of
Focuses on the most important aspect.
core element of
Emphasizes a fundamental element.
central component of
Highlights a key component within a larger system.
fundamental quality of
Focuses on a basic and essential quality.
distinctive property of
Highlights a property that is unique and identifiable.
characteristic element of
Highlights a recurring element
FAQs
How can I use "defining feature of" in a sentence?
You can use "defining feature of" to describe an essential characteristic of something. For example, "The defining feature of a successful business is strong leadership."
What are some alternatives to "defining feature of"?
Alternatives include phrases like "key characteristic of", "essential trait of", or "hallmark of", depending on the specific nuance you want to convey.
Is it correct to say 'a defining feature' or 'the defining feature'?
Both are correct depending on the context. Use "a defining feature" when one of several important features is being highlighted. Use "the defining feature" when referring to the most important or unique feature.
What's the difference between "defining feature of" and "defining characteristic of"?
The phrases "defining feature of" and "defining characteristic of" are largely interchangeable. "Feature" often refers to a more tangible aspect, while "characteristic" might encompass a broader range of attributes, but the distinction is subtle.
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
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested