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
unique occurrences
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "unique occurrences" is correct and usable in written English.
It can be used to describe events or situations that are distinct or not commonly found, emphasizing their individuality. Example: "The study focused on unique occurrences in nature that had not been previously documented."
✓ Grammatically correct
Science
News & Media
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
10 human-written examples
All gazetteers have a "long tail" of many unique occurrences of names, and a small number of names that are mentioned very frequently.
Science
He emphasizes that the birth, death, and resurrection of Christ are unique occurrences (426, XII.14) and compares the history of the elect to an individual life (426, X.14).
Science
As normal as daily operations were we still punched in and out on a computer at reception and celebrated the birthdays of the month with cake there were some unique occurrences.
News & Media
Out of the 1500 (30 × 50) possible genes, 269 unique occurrences were obtained.
Science
However, only 704 unique occurrences were obtained because some of them appeared in two or more lists.
Science
Unique occurrences are expected when 20k is greater than the size of the database, k being the length of the word.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
50 human-written examples
Nor was it even a unique occurrence that year on the outskirts of Faversham, though it was certainly the most deadly.
News & Media
There was something of a unique occurrence after 79 minutes when Josh Murphy, making his full senior debut, was substituted by his identical twin brother Jacob, also making his full senior debut.
News & Media
A unique occurrence of permafrost one that has no analogue on land lies under the Arctic Ocean, on the northern continental shelves of North America and Eurasia.
Encyclopedias
Iceland is a unique occurrence in Europe: it is a volcanic island situated on the Mid-Atlantic Ridge within the still-opening Atlantic Ocean.
Encyclopedias
In Judaism and Christianity the unique occurrence of a historical event serves as a basis for belief in a long-desired future.
Encyclopedias
Expert writing Tips
Best practice
Use "unique occurrences" to specifically highlight events that are not only rare but also distinct in their characteristics or context. This emphasizes their individuality and importance.
Common error
Avoid using "unique occurrences" redundantly when the context already implies rarity or distinctiveness. Overuse can dilute the impact. Instead, consider alternatives like "rare events" or "exceptional cases" if the 'unique' aspect is not critical.
Source & Trust
81%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "unique occurrences" functions primarily as a noun phrase, often serving as the subject or object of a sentence. It identifies specific instances or events that are distinguished by their singular or exceptional nature. Ludwig examples confirm its usability and grammatical correctness.
Frequent in
Science
70%
News & Media
20%
Encyclopedias
10%
Less common in
Formal & Business
0%
Wiki
0%
Social Media
0%
Ludwig's WRAP-UP
The phrase "unique occurrences" is a grammatically correct and usable noun phrase that is commonly found in scientific and news contexts. According to Ludwig, the phrase serves to highlight events that are rare and distinct. To ensure clarity and impact, avoid overuse and consider contextually appropriate alternatives like "rare instances" or "exceptional cases". Remember that 'unique' inherently implies one-of-a-kind, so avoid redundant qualifiers. By following these guidelines, you can effectively use "unique occurrences" to emphasize the individuality and importance of specific events.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
rare instances
Emphasizes the infrequency of the events.
exceptional cases
Highlights the unusual or atypical nature of the events.
isolated incidents
Focuses on the singular and unconnected nature of the events.
distinct instances
Stresses the clear differentiation of the events from others.
uncommon events
Indicates that the events are not frequently observed.
peculiar happenings
Suggests the events are strange or unusual.
singular episodes
Highlights the one-of-a-kind nature of the events.
unparalleled situations
Emphasizes that the events have no equal or comparison.
extraordinary circumstances
Indicates the events are beyond the ordinary or expected.
anomalous events
Focuses on the deviation of the events from the norm.
FAQs
How can I use "unique occurrences" in a sentence?
You can use "unique occurrences" to describe events that are distinct and not commonly found. For example, "The study focused on unique occurrences in nature that had not been previously documented."
What can I say instead of "unique occurrences"?
You can use alternatives like "rare instances", "exceptional cases", or "isolated incidents" depending on the context.
Is it redundant to say "very unique occurrences"?
Yes, "very unique occurrences" is generally considered redundant because "unique" already means one-of-a-kind. Saying something is "very unique" is like saying it is "very one-of-a-kind", which doesn't add meaning.
What is the difference between "unique occurrences" and "common events"?
"Unique occurrences" refer to rare or exceptional events, while "common events" describe things that happen frequently and are typical. They are essentially opposites in terms of frequency and typicality.
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
4.1/5
Expert rating
Real-world application tested