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
it once existed
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "it once existed" is correct and usable in written English.
You can use it when referring to something that was present or real in the past but is no longer the case. Example: "The ancient civilization was fascinating, and it once existed in what is now modern-day Turkey."
✓ Grammatically correct
News & Media
Science
Wiki
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
10 human-written examples
Fake names are more popular than ever, yet the pseudonym as it once existed is just about dead.
News & Media
But Indochine as it once existed inevitably died (and not just because Brian McNally sold it in 1992).
News & Media
Turks have long disputed the exact size and nature of the "deep state," but few doubt that something like it once existed.
News & Media
Google Maps and Costa Rica may protest all they want: the mere fact that it once existed means that the faulty border will live on, at least on Nicaraguan maps.
News & Media
Sure, as Eric Duhatschek argues in The Globe and Mail, hockey fans will reflexively come back to root for their favorite teams no matter how much they hate the N.H.L., but does the league want to keep banking on that alone while it reminds everyone else how easy it is to forget that it once existed?
News & Media
Part of this might have to do with their instinctively inclusive temperaments they have come of age in an era in which intolerance is forcefully policed and part of it might have to do with the breakdown of genre, at least as it once existed in the record bins.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
47 human-written examples
In case you'd like a map of where that slightly famous establishment once existed (it recently having been demolished), the CD booklet supplies such a thing, so plan your next trip to Memphis accordingly.
News & Media
Secondly, compared to the much smaller number of "in-house" government-run PCTs that once existed, it will be increasingly difficult to oversee and regulate all these out-sourced companies. .
News & Media
Oddly, it did once exist in that form: in the first trailer, shown months ago, which featured no talking at all, and no shouting, either — just a silent montage of mayhem, overlaid with the twang of a plaintive electro-soundtrack.
News & Media
Wouldn't my students ask, "Isn't it possible that the Oral History had once existed, and even that it still exists?
News & Media
It's a reminder that LPs once existed, and that they had their own internal rhythms.
News & Media
Expert writing Tips
Best practice
Use "it once existed" to clearly indicate that something was real or present at some point in the past but is not so anymore. This phrase works well when emphasizing change over time.
Common error
Avoid using "it once existed" when referring to something that still exists in a different form. Ensure the subject truly no longer exists in any capacity before using the phrase.
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "it once existed" functions as a statement of past existence. It asserts that something was real or present at some point in the past. Ludwig AI confirms this usage through numerous examples across various contexts.
Frequent in
News & Media
46%
Science
21%
Wiki
10%
Less common in
Encyclopedias
2%
Formal & Business
8%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "it once existed" is a grammatically sound and frequently used expression to denote something that was present or a reality in the past but is no longer so. Ludwig AI confirms its broad applicability across various contexts, primarily in News & Media, Science, and Wiki sources. While synonyms like "it used to be" offer more common alternatives, "it once existed" remains a clear and effective way to convey the passage of time and change, as also confirmed by Ludwig AI.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
it used to be
Replaces "once existed" with a more common idiom, focusing on a past state.
it formerly existed
Substitutes "once" with "formerly", making it slightly more formal.
it previously existed
Replaces "once" with "previously", emphasizing the temporal aspect.
it had existed
Uses the past perfect tense, highlighting that the existence preceded another event or time.
it did exist in the past
Adds explicit clarification of the time frame, emphasizing the past.
it was once present
Replaces "existed" with "present", focusing on the presence rather than the existence.
it has since vanished
Focuses on the disappearance of something that existed before.
it is now defunct
Indicates that something that once existed is no longer functional or operational.
it is now extinct
Implies a more permanent end to existence, often used for species or concepts.
it is a thing of the past
An idiomatic expression denoting something that no longer exists or is relevant.
FAQs
How can I use "it once existed" in a sentence?
Use "it once existed" to describe something that was present or a reality in the past but no longer is. For example, "The Roman Empire was a powerful force; "it once existed" across much of Europe".
What is a synonym for "it once existed"?
Synonyms include phrases like "it used to be", "it formerly existed", or "it previously existed", all conveying the idea of something that existed in the past but does not now.
Is it correct to say "it exists no more" instead of "it once existed"?
While "it exists no more" is grammatically correct, it carries a more dramatic or poetic tone compared to the more neutral ""it once existed"". The choice depends on the desired effect.
What's the difference between "it once existed" and "it used to exist"?
"It used to exist" is a more common and informal way of saying ""it once existed"". The latter is slightly more formal and emphasizes the fact that something was a reality at a specific point in the past.
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
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested