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
an existential one
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "an existential one" is correct and usable in written English.
It can be used to refer to a question, issue, or situation that pertains to existence or the nature of being. Example: "The debate over the meaning of life is an existential one that has puzzled philosophers for centuries."
✓ 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
26 human-written examples
("I knew I was having a decorating crisis. I didn't know I was having an existential one," says Susan when Laurie fires some existentialism at her to help her decide what wallpaper to get).
News & Media
With Quantum Fluctuations, he aids in a mind-expanding, visual exploration of the quantum world, a journey that to him, "becomes a deeply philosophical endeavour and in many ways an existential one, dealing with fundamental questions that have a direct impact on how we understand ourselves".
News & Media
"And an existential one".
News & Media
"This battle is an existential one that has to be won.
News & Media
The real issue for Arsenal in the Champions League has been an existential one.
News & Media
In "The Seafarer" alcoholism isn't primarily a medical condition but an existential one.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
33 human-written examples
Indeed, in the span of three years, the irritating "British question" of 2013 has morphed into a very existential one for the whole European club.
News & Media
By 2008, Homeland Security Secretary Michael Chertoff declared it to be a "significant existential" one - carefully differentiating it, apparently, from all those insignificant existential threats Americans have faced in the past.
News & Media
Domestic terrorism constitutes a persistent and serious threat, but not a strategic or existential one.
News & Media
"A Goat's Song is one of the big Irish novels: it's a wrangle, an existential tussle, one of those books that makes its own language," said Anne Enright in 2011, before touching on the peculiar dynamic of the book and, in fact, of most of Healy's work.
News & Media
"Europe is dealing with an existential crisis," one British source said.
News & Media
Expert writing Tips
Best practice
When writing, ensure that the context is serious and philosophical, as the phrase carries a heavy connotation related to being and purpose.
Common error
Avoid using "an existential one" in casual or trivial situations. This phrase is best reserved for serious discussions about existence, purpose, or fundamental aspects of life. Using it inappropriately can diminish its impact and seem pretentious.
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "an existential one" functions as a predicative adjective phrase, modifying a noun (often 'question', 'crisis', 'threat', etc.) to describe its nature. Ludwig AI indicates it's used to characterize something as relating to existence or fundamental being, as seen in examples like 'an existential crisis'.
Frequent in
News & Media
65%
Science
15%
Encyclopedias
8%
Less common in
Formal & Business
5%
Reference
2%
Wiki
0%
Ludwig's WRAP-UP
In summary, "an existential one" is a phrase used to describe something deeply connected to existence or fundamental being. As Ludwig AI confirms, it is grammatically correct and is commonly used in serious and philosophical contexts, particularly in News & Media. When writing, it's essential to reserve this phrase for situations where you want to emphasize the profound nature of an issue or question. While "an existential one" is appropriate for academic and formal discussions, simpler alternatives like "a fundamental issue" or "a critical challenge" may be more suitable for casual settings. Understanding its proper usage ensures that you effectively convey the gravity and significance of the subject at hand.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
a question of being
Directly addresses the nature of existence, similar to the original phrase.
a fundamental issue
Replaces the existential aspect with a focus on the foundational nature of the issue.
a question of survival
Focuses on the aspect of continued existence or viability.
a critical challenge
Emphasizes the importance and urgency of the challenge.
a core problem
Highlights that the problem is central and essential.
a matter of ultimate concern
Highlights the supreme importance and relevance of the issue.
a basic question
Focuses on the rudimentary nature of the question being asked.
a philosophical question
Highlights the pondering and speculative nature of the question.
a life-or-death matter
Conveys extreme importance, emphasizing survival.
a deeply personal matter
Emphasizes the issue's significance to an individual's sense of self.
FAQs
What does "an existential one" mean?
The phrase "an existential one" refers to a question, problem, or situation that is deeply connected to existence, purpose, or the fundamental nature of being. It often deals with questions of why we exist and what our purpose is.
When is it appropriate to use "an existential one" in writing?
It's appropriate to use "an existential one" when discussing serious issues that question the core of someone's being, purpose, or fundamental beliefs. Avoid using it in casual or trivial contexts where it might seem out of place.
Are there alternatives to using "an existential one"?
Yes, depending on the context, you can use alternatives such as "a fundamental issue", "a critical challenge", or "a philosophical question". These phrases convey the seriousness or importance of the issue without directly referencing existentialism.
Is "an existential one" formal or informal?
The phrase "an existential one" leans towards the formal side due to its connection with existential philosophy. It is suitable for academic, philosophical, or serious discussions. In more informal settings, simpler alternatives might be more appropriate.
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
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested