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
rarer than
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "rarer than" is grammatically correct and commonly used in written English.
It is typically used to compare the rarity of one thing to another. For example: - "Unicorns are much rarer than horses." - "Finding a four-leaf clover is rarer than winning the lottery." - "The blue diamond is rarer than the white diamond." - "Her talent is rarer than her beauty." - "I have never seen a bird with such vibrant colors before. It's rarer than any other bird I've seen."
✓ Grammatically correct
News & Media
Science
Lifestyle
Books
Arts
Sports
Alternative expressions(20)
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
Thankfully, such attacks are rarer than that.
News & Media
And it is rarer than the unicorn.
News & Media
And it's probably rarer than anything from Supreme.
News & Media
This, though, is rarer than two males and a female.
News & Media
Adagio male dancers are even rarer than good male dancers".
News & Media
But they are rarer than they once were.
News & Media
They are rarer than the items themselves," said Taylor.
News & Media
Disney Hall is something rarer than a great urban street.
News & Media
And yet she has something even rarer than talent: humility.
News & Media
Another is that housing slumps are rarer than stockmarket downturns.
News & Media
Spinning all-rounders are rarer than Monty Panesar catches.
News & Media
Expert writing Tips
Best practice
Use "rarer than" to emphasize the exceptional scarcity of something, making sure the comparison is clear and impactful for the reader.
Common error
Avoid using "rarer than" when the difference in scarcity is negligible or unclear. Ensure the objects being compared are logically comparable.
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "rarer than" functions as a comparative adjective phrase. It is used to indicate that one thing occurs or exists less frequently than another. As Ludwig AI confirms, the phrase is grammatically correct and common in written English. The examples provided illustrate its use in various contexts.
Frequent in
News & Media
53%
Science
19%
Books
7%
Less common in
Arts
4%
Wiki
4%
Sport
4%
Ludwig's WRAP-UP
In summary, "rarer than" is a grammatically sound and widely used comparative phrase that effectively emphasizes the scarcity or infrequency of something. As Ludwig AI points out, it's appropriate across various registers, from news and media to academic and scientific contexts. When using "rarer than", ensure a clear and logical comparison to maximize its impact. For alternative phrasing, consider options such as "less common than" or "more unusual than" to suit the specific nuance you wish to convey.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
less common than
Focuses on reduced frequency rather than inherent rarity.
more unusual than
Emphasizes the uncommon nature instead of absolute rareness.
not as frequent as
Highlights the infrequency through a negative comparison.
less prevalent than
Stresses a lower degree of general occurrence.
outnumbered by
Conveys a sense of being fewer in number relative to something else.
a scarcity compared to
Highlights a lack of abundance in relation to something else.
infrequently found compared to
Focuses on the infrequency of discovery or encounter.
occurs less often than
Highlights the rate of occurence in relation to something else.
exists in smaller quantities than
Emphasizes reduced amounts or volumes.
seldom seen as opposed to
Underlines the infrequency of visual observation.
FAQs
How do you use "rarer than" in a sentence?
Use "rarer than" to compare the scarcity of two things, as in "Finding a genuine antique is "rarer than" finding a modern replica".
What are some alternatives to saying "rarer than"?
Instead of "rarer than", you can use phrases like "less common than", "more unusual than", or "not as frequent as" depending on the context.
Is it always appropriate to use "rarer than" in formal writing?
Yes, "rarer than" is generally appropriate in formal writing, but ensure the comparison is precise and adds value to your explanation. More formal alternatives might include "less prevalent than".
What's the difference between "rarer than" and "more unique than"?
"Rarer than" emphasizes scarcity or infrequency, while "more unique than" emphasizes distinctiveness. Something can be unique without being rare, and vice versa. It depends on whether you want to highlight how infrequently something is found or how distinct it is from others. For example, you may say that talent is "rarer than" courage and that a fingerprint is "more unique than" any other.
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
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested