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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 condition whereby
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a condition whereby" is correct and usable in written English.
It can be used to describe a specific situation or set of circumstances that lead to a particular outcome or effect. Example: "The study identified a condition whereby increased exercise led to improved mental health."
✓ Grammatically correct
News & Media
Science
Formal & Business
Wiki
Academia
Encyclopedias
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
13 human-written examples
Nevertheless, HG can be unutterably demoralising, especially when accompanied, as it sometimes is, by ptyalism, a condition whereby you cannot swallow your own saliva without vomiting.
News & Media
Hybristophilia is described as a condition whereby women are sexually aroused by and responsive to the men who commit heinous crimes.
News & Media
In this month's Vanity Fair AA Gill examines the phenomenon of "perfection anxiety", a condition whereby the super rich enter a state of "panicked ennui" because, essentially, they have run out of things to spend their money on.
News & Media
She writes the band's lyrics, a champion feat given that she suffers from synaesthesia, a condition whereby two or more of the senses which are usually experienced separately are joined together involuntarily.
News & Media
Then, in 2012, the American Heart Association published a statement confirming that periodontal disease is associated with atherosclerosis – a condition whereby arteries become clogged up by fatty substances – even after common causes such as socio-economic factors and smoking are taken into account.
News & Media
My research led me to the concept originating in 19th-century criminal psychology of "mania without delirium" or "moral insanity", a condition whereby an individual might be seized by "paroxysms of maniacal fury", yet at all other times appear to be fully in possession of their reason.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
46 human-written examples
Population-based screening aims at early detection of a disease, thereby increasing the chance of successful treatment and diminishing the impact of the disease, or it intends to identify persons with a high risk of developing a chronic condition, whereby changes in lifestyle and/or use of medication could reduce this risk substantially.
Science
But lately, at small dinner parties and anywhere else food is present, people have been bewailing "lactose intolerance," a physiological condition whereby the digestive system has an unattractive reaction to milk and to anything with milk in it.
News & Media
Cystic fibrosis (CF), a genetic condition whereby those affected are used to taking a wide array of treatments and attending a specialist care centre over many years, and are generally knowledgeable about their condition, represents an ideal case for investigating how staff requests for clinical research participation are accepted or declined.
Science
Barrett's esophagus is a premalignant condition whereby the normal stratified squamous esophageal epithelium undergoes a transdifferentiation program resulting in a simple columnar epithelium reminiscent of the small intestine.
Science
This creates a strange condition whereby people who are looking for dates online often feel a degree of disgust for other people who they meet online: what's wrong with someone if they can't find love in the real world?
News & Media
Expert writing Tips
Best practice
While "a condition whereby" is grammatically sound, consider using simpler alternatives like "a situation in which" to improve clarity and readability, especially in less formal writing.
Common error
Avoid using "a condition whereby" in casual or informal contexts; it can sound pretentious. Opt for more straightforward phrasing unless a formal tone is specifically required.
Source & Trust
82%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a condition whereby" functions as a relative clause, introducing a specific state or circumstance that leads to a particular result. Ludwig examples show it's used to define scenarios or preconditions.
Frequent in
Science
30%
News & Media
30%
Formal & Business
10%
Less common in
Wiki
10%
Academia
10%
Encyclopedias
10%
Ludwig's WRAP-UP
In summary, "a condition whereby" functions as a relative clause to introduce specific circumstances leading to a particular outcome. Ludwig AI correctly identifies it as grammatically sound, though somewhat formal. Its use is relatively uncommon, and it's often replaceable with simpler alternatives like "a situation in which". While correct, consider the context and audience when using this phrase to ensure clarity and avoid sounding overly formal. The phrase is more common in scientific, news, and formal business writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
a situation in which
Replaces "whereby" with a more common and less formal construction.
a circumstance under which
Substitutes "condition" with "circumstance" and rephrases "whereby" for a slightly different nuance.
a state wherein
Uses "state" instead of "condition" and "wherein" instead of "whereby", maintaining a formal tone.
a scenario where
Replaces "condition" with "scenario", making it more specific to hypothetical situations.
a case in which
Offers a more direct and less formal alternative.
a position from which
Changes the focus to a starting point or vantage point.
a mechanism by which
Focuses on the process or means through which something happens.
a process through which
Highlights the step-by-step nature of the unfolding of something.
an instance when
Shifts the focus to a specific occurrence or event.
a context where
Emphasizes the surrounding factors or environment.
FAQs
How can I use "a condition whereby" in a sentence?
Use "a condition whereby" to introduce a circumstance that leads to a specific outcome. For example: "The study identified "a condition whereby" increased exercise led to improved mental health."
What can I say instead of "a condition whereby"?
You can use alternatives like "a situation in which", "a circumstance under which", or "a case in which" depending on the context.
Which is correct, "a condition whereby" or "a condition where"?
"A condition whereby" is generally considered more grammatically correct in formal writing. "A condition where" is less formal but may be acceptable in some contexts.
What's the difference between "a condition whereby" and "a reason why"?
"A condition whereby" describes a circumstance that enables something to happen, while "a reason why" ("a reason why") explains the cause of something. The former focuses on enabling factors, the latter on causative factors.
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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
82%
Authority and reliability
4.1/5
Expert rating
Real-world application tested