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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
rare occurrence
Grammar usage guide and real-world examplesUSAGE SUMMARY
"rare occurrence" is a correct and usable phrase in written English.
You can use it to describe something that does not happen often, for example: This is a rare occurrence, so take advantage of it while you can.
✓ Grammatically correct
News & Media
Science
Encyclopedias
Alternative expressions(20)
exceptional case
isolated situation
unprecedented situation
once in a blue moon
seldom seen
few and far between
uncommon occurrence
infrequent occurrence
rare phenomenon
frequent occurrence
unusual occurrence
unique occurrence
remarkable project
significant undertaking
outstanding endeavor
significant project
novel occurrence
unprecedented event
first observation
new development
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
Encephalitis is a rare occurrence.
Encyclopedias
This was a rare occurrence.
News & Media
Art is a rare occurrence.
News & Media
That is a very rare occurrence.
News & Media
It was such a rare occurrence.
News & Media
"It was a rare occurrence," Clarke said.
News & Media
"This was a rare occurrence," he said.
News & Media
This is not a rare occurrence.
News & Media
But it was hardly a rare occurrence.
News & Media
"Back to back is a rare occurrence," Madden said.
News & Media
"I think the tigers escaping is a very rare occurrence".
News & Media
Expert writing Tips
Best practice
When describing a "rare occurrence", provide sufficient context to explain why it is unusual. This helps the reader understand its significance.
Common error
Avoid using "rare occurrence" when a situation is simply undesirable but not statistically uncommon. Overusing the phrase can dilute its impact. Ensure the event truly deviates from the norm.
Source & Trust
84%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The primary grammatical function of "rare occurrence" is to act as a noun phrase that describes something infrequent or unusual. As Ludwig AI states, the phrase is correct and usable in written English. It serves to categorize an event or situation based on its frequency.
Frequent in
News & Media
65%
Science
19%
Wiki
3%
Less common in
Encyclopedias
1%
Formal & Business
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "rare occurrence" is a widely used phrase that describes something infrequent. Ludwig AI confirms its correctness and usability. Its neutral register makes it appropriate for diverse contexts, as highlighted by the frequent usage in news and media and science. When using this phrase, ensure that the event truly deviates from the norm to maintain its impact. Consider alternatives like "uncommon event" or "infrequent incident" to add variety to your writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
infrequent incident
Changes the noun from 'occurrence' to 'incident', which is similar but might imply a more specific event.
uncommon event
Substitutes both words with synonyms; 'uncommon' for 'rare' and 'event' for 'occurrence'.
scarce instance
Replaces 'rare' with 'scarce' and 'occurrence' with 'instance', highlighting the limited availability.
exceptional case
Shifts the focus to the uniqueness of the situation rather than its infrequency.
isolated situation
Emphasizes the singularity and lack of connection to other similar events.
unprecedented situation
Highlights the novelty and lack of prior examples.
out of the ordinary event
Describes the event as deviating from what is typical or expected.
once in a blue moon
An idiomatic expression indicating very low frequency.
seldom seen
Focuses on the visibility and observation of the event, implying infrequency.
few and far between
An idiomatic expression indicating events that are infrequent and widely spaced.
FAQs
How can I use "rare occurrence" in a sentence?
You can use "rare occurrence" to describe events that don't happen often. For example, "Snow in July is a "rare occurrence" in this region."
What are some alternatives to "rare occurrence"?
Some alternatives include "uncommon event", "infrequent incident", or "scarce instance", depending on the specific context.
Is "rare occurrence" formal or informal?
"Rare occurrence" is suitable for both formal and informal contexts. Its formality depends more on the surrounding language than the phrase itself.
What makes something a "rare occurrence"?
A "rare occurrence" is defined by its low frequency. It deviates significantly from typical expectations and established patterns.
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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
84%
Authority and reliability
4.6/5
Expert rating
Real-world application tested