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
what defines him
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "what defines him" is correct and usable in written English.
You can use it when discussing the characteristics, qualities, or experiences that shape a person's identity or personality. Example: "His dedication to helping others is what defines him as a person."
✓ Grammatically correct
News & Media
Alternative expressions(3)
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
12 human-written examples
It is what defines him.
News & Media
It is part of what defines him.
News & Media
What defines him is his exquisite good taste.
News & Media
But he is also drowning in history, in the question of what defines him.
News & Media
Sure, he does a nice line in Portuguese syrah, but that's not really what defines him.
News & Media
"The fact that so very many people thought the world of him is what defines him as a person.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
48 human-written examples
As depicted by Hwang, Cavanaugh is like a refugee from a Woody Allen movie, a tall dweeb who doesn't know how to shut up because his whining, his indecision, and his regret are what define him.
News & Media
This was a president unbound from much of what defined him upon taking office four years ago, a man clearly cognizant of time already running down on his opportunity to make his imprint on the country and on history.
News & Media
Following the end of his role as Jacob Black, Lautner came to the conclusion that his abs weren't what defined him.
News & Media
That's what defines them as great".
News & Media
Indeed it's what defines them".
News & Media
Expert writing Tips
Best practice
When using the phrase, consider whether you want to highlight a single defining characteristic or a collection of traits. The context will help you choose the most appropriate phrasing.
Common error
Avoid using "what defines him" to describe temporary behaviors or preferences. This phrase should be reserved for more enduring and fundamental aspects of a person's character, not fleeting habits or choices.
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "what defines him" functions as a nominal clause serving as a subject complement. It identifies or specifies the core qualities that characterize an individual. Ludwig AI confirms its grammatical correctness and usability.
Frequent in
News & Media
100%
Less common in
Science
0%
Formal & Business
0%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, the phrase "what defines him" serves to pinpoint the core traits and qualities that shape an individual's identity. Ludwig AI affirms its grammatical correctness, and usage analysis reveals its prevalence across various News & Media outlets. While suitable for formal and informal contexts alike, the phrase excels in analytical discussions of character and motivation. Remember, using this phrase effectively means pinpointing genuinely defining traits, rather than superficial or temporary aspects. Consider alternatives like "what characterizes him" or "what distinguishes him" to add nuance. By using this phrase thoughtfully, you can provide a more profound understanding of a person's essence.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
what characterizes him
Focuses on the qualities that distinguish him.
what distinguishes him
Highlights the unique aspects that set him apart.
what is his defining trait
Narrows down to a singular, prominent characteristic.
what makes him who he is
Explores the entirety of his being and identity.
what shapes his identity
Emphasizes the formative influences on his personality.
what is at the core of his being
Delves into the fundamental essence of his existence.
what lies at the heart of his character
Focuses on the central values and principles guiding him.
what is the essence of his personality
Seeks the fundamental qualities of his personality.
what is his most significant attribute
Highlights the most important or noteworthy quality.
what is his hallmark
Identifies a distinctive feature associated with him.
FAQs
How can I use "what defines him" in a sentence?
You can use "what defines him" to highlight the key qualities or characteristics that are central to a person's identity. For example, "His commitment to social justice is "what defines him" as a leader."
What can I say instead of "what defines him"?
Alternatives to "what defines him" include "what characterizes him", "what distinguishes him", or "what makes him who he is", depending on the specific nuance you want to convey.
Is it appropriate to use "what defines him" in formal writing?
Yes, "what defines him" is appropriate for formal writing, especially when analyzing a person's character, motivations, or identity. However, ensure that the context is suitable and the phrasing accurately reflects the individual's defining traits.
Can "what defines him" be used to describe negative traits?
Yes, "what defines him" can be used to describe negative traits if those traits are central to a person's identity or behavior. For example, "His stubbornness is "what defines him", often leading to conflict."
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