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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
while it existed
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "while it existed" is correct and usable in written English.
You can use it to refer to a period during which something was present or operational. Example: "The museum was a popular destination for tourists while it existed, attracting thousands of visitors each year."
✓ Grammatically correct
News & Media
Science
Wiki
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
8 human-written examples
"Obviously, you weren't going to get the grid driven through the World Trade Center while it existed," Mr. Schaffer continued.
News & Media
Given the rules of Pentagon tours – no cellphones – the only people who would have been able to compete in the gym while it existed were employees.
News & Media
But his father, Jonas, who had been intimately involved in the troubled political and military history of Lithuania, was sent with his family in 1936 to New York, where he served as Consul-General for Lithuania while it existed, and subsequently on behalf of the Lithuanian government-in-exile.
News & Media
Turns out the hardware was Fujitsu's design and, while it existed as a concept phone, it had nothing to do with Helio.
News & Media
Surveys and historical research have established that – both in democratic states and in those of the Soviet Bloc (while it existed) – antisemitism has long been related to or expressed in the form of statements about Israel or 'Zionist', permitting anti-Jewish attitudes to circulate under cover of political critique.
Science
Past Jomfrubråten, the Simenbråten Line, while it existed, ran under the Ekeberg Line.
Wiki
Human-verified similar examples from authoritative sources
Similar Expressions
52 human-written examples
All print advertising will not suddenly vanish and while it exists publishers will grab it.
News & Media
"We must be respectful of legality while it exists," he declared in 1982.
Encyclopedias
There is a surfactant vacuum zone in the top layer for the conventional foam, while it exists only near the wellbore for the novel foam.
Science
Interestingly, the applied strain shows no direction-depended character for the modulation of bandgap of WSe2MoS2 heterostructure, while it exists in the electric field tuning processes and strongly depends on the direction of the electric field.
While it exists in an online capacity, it encourages members to not be anonymous – it's a sort of mid-point between an IRL support group and alternative therapies that may be too extreme for some.
News & Media
Expert writing Tips
Best practice
Use "while it existed" to clearly indicate a timeframe when something was operational or present, but is no longer so. This is particularly useful when discussing historical contexts or discontinued entities.
Common error
Avoid using "while it existed" if the subject in question still exists. Opt for phrases like "while it exists" or "as it exists now" to maintain accuracy.
Source & Trust
80%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "while it existed" functions as an adverbial clause modifying a main clause. It specifies the time frame during which the action or state described in the main clause occurred. Ludwig AI confirms its proper usage in English.
Frequent in
News & Media
43%
Science
36%
Wiki
21%
Less common in
Formal & Business
0%
Encyclopedias
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, the phrase "while it existed" serves as a temporal marker, denoting a specific period in the past when something was operational or present. As Ludwig AI confirms, it's grammatically correct and most effectively used to describe entities or conditions that are no longer ongoing. Its usage spans across various contexts, including news, science, and general knowledge, with a neutral register. Alternatives like "during its existence" can be employed for semantic variation. Keep in mind the distinction between "while it existed" and "while it exists" to ensure accurate communication.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
during its existence
Replaces the clause with a prepositional phrase, emphasizing the period of being.
when it was in existence
Adds slight emphasis by rephrasing with "in existence".
during the time it was around
More informal, using "around" to denote existence.
in its active period
Emphasizes a period of activity or operation.
in its lifetime
Frames the existence in terms of a life span.
when it was still around
Similar to 'during the time it was around' but slightly more concise.
during its operational years
Focuses on the years it was in operation.
throughout its tenure
Implies a formal or official period of existence.
for the duration it survived
Highlights the survival or persistence during its existence.
in the years that it persisted
Similar to 'for the duration it survived' but with a more formal tone.
FAQs
How can I use "while it existed" in a sentence?
Use "while it existed" to refer to a period when something was present or functional, but is no longer so. For example, "The historical society collected artifacts from the town "while it existed"."
What are some alternatives to "while it existed"?
You can use alternatives like "during its existence", "when it was in existence", or "during the time it was around" depending on the context.
Is it correct to use "while it existed" to describe something that still exists?
No, it is not correct. "While it existed" implies that something is no longer in existence. If something still exists, use "while it exists" or "as long as it exists".
What's the difference between "while it existed" and "while it exists"?
"While it existed" refers to a past state, indicating that something no longer exists. "While it exists" refers to the present, indicating that something is still ongoing or present.
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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
80%
Authority and reliability
4.5/5
Expert rating
Real-world application tested