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
whereby
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "whereby" is correct and usable in written English.
It is typically used to indicate the means or method by which something is done or achieved. Example: "The committee established a new policy whereby all members must submit their reports by the end of the month."
✓ Grammatically correct
News & Media
Formal & Business
Alternative expressions(20)
by which
through which
in which
by means of which
by way of
through the use of
as a result of which
in consequence of which
by virtue of which
according to which
is equivalent to
in the wishes of
rapidly thereafter
for the immediate future
Very soon
somewhere later
one week before
at the early time
in the next weeks
during the previous years
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
60 human-written examples
The facts of the actual strike are jettisoned in favour of a ticking-clock climax whereby Scargill/Pacino must race to parliament on a motorbike and make a tear-jerking speech before the miners blow up Sellafield.
News & Media
There's not a system whereby they go, "You've done that, here have this bag of success".
News & Media
The current degree classification model, whereby students are awarded a first, 2 1, 2 2, or a third degree, has been labelled by critics as "not fit for purpose".
News & Media
We condemn the current distribution of economic resources whereby only a tiny minority escape poverty and insecurity, and future generations are condemned to a poisoned legacy thanks to the environmental crimes of the rich and powerful.
News & Media
By now a coalition choreography has emerged, whereby Lib Dem ministers protest in public (they must do so more often in private), their backbenchers take their cue – as do rightwing Tory MPs and activists who think Cameron is a soggy pinko – and battle is engaged.
News & Media
The committee calls for a "yellow card" approach whereby claimants who breach rules for trivial or unintended infringements receive "pre-sanction written warnings" rather than having payments stopped.
News & Media
But he also blamed "a process of normalisation, whereby antisemitism is being made somehow acceptable".
News & Media
Harvest, his latest novel, dramatises one of the great under-told narratives of English history: the forced enclosure of open fields and common land from the late medieval era on, whereby subsistence agriculture was replaced by profitable wool production and the peasant farmers dispossessed and displaced.
News & Media
Or is there an underlying evolutionary drive whereby sex outside a relationship could potentially give you more offspring if you are a man, or better-quality children if you're a woman?
News & Media
He's less phlegmatic about the rise of sub-agency deals, whereby one agency sell his pictures to another, and who sell to another, vastly reducing the photographer's initial cut (50% at best).
News & Media
Such parental advice sits uneasily with the notion of undoing past wrongs that lies at the heart of transitional justice, whereby nations move from committing gross and systematic human rights violations to democracy.
News & Media
Expert writing Tips
Best practice
Use "whereby" to clearly establish a relationship of cause and effect, or to define the method by which an action is carried out. It's especially useful when explaining processes or systems.
Common error
While grammatically correct, using "whereby" can sometimes sound overly formal or stilted. Consider using simpler alternatives like "by which" or "through which" in less formal contexts.
Linguistic Context
"Whereby" functions as a relative adverb, connecting a clause to a preceding noun or noun phrase and indicating the means or method by which something is accomplished. Ludwig AI confirms its correct usage in various contexts.
Frequent in
News & Media
60%
Formal & Business
25%
Science
5%
Less common in
Encyclopedias
3%
Wiki
2%
Reference
5%
Ludwig's WRAP-UP
In summary, the phrase "whereby" is a relative adverb used to express the means or method by which something is done. As verified by Ludwig AI, it is grammatically correct and frequently used in formal and professional contexts, particularly in news and media. While it effectively establishes clear relationships, it can sound overly formal, so consider using simpler alternatives like "by which" in less formal situations. Remember, "whereby" serves to clarify procedures and causal links, making it a valuable tool in precise and formal writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
by which
More common and less formal. Generally interchangeable.
through which
Emphasizes the process or means.
in which
Focuses on the context or situation.
by means of which
More formal and emphatic.
by way of
Indicates a method or route.
through the use of
Highlights the tool or instrument used.
as a result of which
Emphasizes the consequence or outcome.
in consequence of which
More formal way of saying “as a result of which”.
by virtue of which
Indicates a legal or formal basis.
according to which
Highlights an underlying rule or principle.
FAQs
How is "whereby" used in a sentence?
"Whereby" is used to indicate the method or process by which something is done or achieved. For example, "The company implemented a new system "whereby" all employees submit their reports online".
What are some alternatives to "whereby"?
Alternatives to "whereby" include "by which", "through which", or "in which". The choice depends on the specific nuance you want to convey.
Is it better to use "whereby" or "by which"?
"Whereby" and "by which" are often interchangeable, but "whereby" is generally considered more formal. Use "by which" in everyday writing and reserve "whereby" for formal or legal contexts.
Can "whereby" introduce a clause?
Yes, "whereby" can introduce a clause that explains how something is accomplished. For example, "They established a procedure "whereby" all transactions are reviewed by two managers".
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