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
a singular occurrence
Grammar usage guide and real-world examplesUSAGE SUMMARY
"a singular occurrence" is correct and usable in written English.
You can use it when referring to something that is unusual, unique, infrequent or one-of-a-kind. For example: The winning touchdown in the final moments of the game was a singular occurrence that shocked everyone in the stadium.
✓ Grammatically correct
News & Media
Science
Alternative expressions(20)
a one off case
a singular problem
a unique case
a one off exemption
a one time departure
a singular circumstance
a bizarre occurrence
a strange occurrence
a one off exceptional
a one time waiver
a remarkable occurrence
a one time aberration
an infrequent event
an exceptional case
an unprecedented situation
a one time opt out
a particular occurrence
a freak event
a rare occurrence
a unique occurrence
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
5 human-written examples
His story is part of a common narrative, not a singular occurrence.
News & Media
There were some pockets of the city where homicide was a singular occurrence: 12 of the city's 77 police precincts, in locations as varied as Hamilton Heights, in Upper Manhattan, and Park Slope, Brooklyn, had logged one each through Sunday.
News & Media
Because they covered only a single month in 2003, it could not be determined if the pattern of payments to the nine people was a singular occurrence, or continued closer in proximity to the hundreds of thousands of dollars in contributions that Mr. Hsu eventually bundled.
News & Media
That isn't a singular occurrence, it was just the worst day.
News & Media
And it is perfectly clear that, for example, the singular substantives 'rabbit', 'tree' and 'planet' do satisfy the object-concept; for insofar as such (a singular occurrence of) a general term as 'rabbit', 'tree' or 'planet' is true of anything, it is true, in virtue of its meaning, of just one item at a time.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
55 human-written examples
Both US Airways and American Airlines say they will not increase, which between you, me and the world population would be a spectacularly singular occurrence since it would go against every last historical president the industry, or any industry, has set.
News & Media
Jarre took his spectacular show to China in 1981, an incredible and singular occurrence at the time.
News & Media
How you regard this singular occurrence depends on your point of view.
News & Media
This follows from its treatment of bare singular occurrences of names as definite descriptions, where a given name "N" is analyzed as the x s.t.
Academia
If one is also concerned with causal explanation if one holds that singular occurrences are explained by citing their causes then the causal completeness of physics in turn commits multiple realizability proponents to physics' possessing an important variety of explanatory completeness that all other sciences lack.
Science
The majority of farms reported singular occurrences of births and deaths.
Science
Expert writing Tips
Best practice
Use "a singular occurrence" to emphasize the uniqueness or rarity of an event, distinguishing it from common or typical occurrences. This can add emphasis and highlight its importance in your writing.
Common error
Avoid using "a singular occurrence" when describing everyday events. This phrase is best reserved for instances that are truly exceptional or unusual, as overuse can diminish its impact and make your writing sound unnatural.
Source & Trust
88%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a singular occurrence" functions as a noun phrase, typically serving as a subject complement or object in a sentence. It identifies and describes a specific event or instance as unique and rare, and Ludwig AI confirms its correct and usable form.
Frequent in
News & Media
40%
Science
40%
Encyclopedias
20%
Less common in
Formal & Business
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "a singular occurrence" is a noun phrase used to describe an event that is unique, rare, or exceptional. Ludwig AI confirms it's grammatically correct and suitable for formal contexts, such as news, science, and encyclopedic writing. While the phrase effectively emphasizes the distinct nature of an event, it should be used judiciously to avoid overuse. Alternatives such as "a unique event" or "a rare instance" can be used to maintain clarity and impact.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
a unique event
Focuses on the uniqueness of the event, emphasizing its distinct character.
a rare instance
Highlights the infrequency of the occurrence, suggesting it is not commonly observed.
an exceptional case
Emphasizes the deviation from the norm, indicating the occurrence is unusual and noteworthy.
an isolated incident
Stresses the separation of the occurrence from other related events, suggesting it stands alone.
an uncommon phenomenon
Highlights the unusual nature of the event, often used in scientific or analytical contexts.
a one-time happening
Emphasizes that the occurrence happened only once and is not expected to repeat.
a freak event
Suggests an unusual and unexpected nature, often with implications of surprise or shock.
a peculiar incident
Highlights the odd or strange nature of the occurrence, suggesting it is out of the ordinary.
an unprecedented situation
Emphasizes that the occurrence has never happened before, marking it as novel and groundbreaking.
an isolated occasion
Highlights that the occasion is separated from related events, suggesting it stands alone.
FAQs
How can I use "a singular occurrence" in a sentence?
Use "a singular occurrence" to describe something unique or rare. For example, "The unexpected discovery was "a singular occurrence" in the history of the field."
What's the difference between "a singular occurrence" and "a unique event"?
While both describe something unusual, ""a singular occurrence"" emphasizes the rarity and isolation of the event, whereas "a unique event" highlights its distinctiveness and originality.
What can I say instead of "a singular occurrence"?
You can use alternatives like "a rare instance", "an uncommon phenomenon", or "an exceptional case" depending on the specific nuance you want to convey.
Is "a singular occurrence" formal or informal?
"A singular occurrence" is generally considered a formal phrase suitable for academic, scientific, or professional contexts. In more informal settings, simpler alternatives might be preferred.
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
88%
Authority and reliability
4.1/5
Expert rating
Real-world application tested