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
thin as a
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "thin as a" is correct and usable in written English.
It is typically used as a simile to describe someone or something that is very thin. Example: "After months of dieting, she became as thin as a rail."
✓ Grammatically correct
News & Media
Academia
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
Vick was as thin as a post.
News & Media
Used to be thin as a rake.
News & Media
"Shiloh was always thin as a bird," Mary said.
News & Media
Zombie expressions, Buddy, as thin as a spare dime.
News & Media
Colgan is 36, 6' tall & as thin as a stick.
News & Media
She is thin as a rail and she's hot.
News & Media
Each layer of powder is as thin as a human hair.
But smaller scopes, which can be as thin as a human hair, provide poor pictures.
News & Media
You can use cells as thin as a hundred micrometers, or even thinner.
News & Media
A backhanded ball cut as thin as a slice-of-life joke.
News & Media
In stunning contrast, Ms. Howe is 6 feet tall, as thin as a birch tree.
News & Media
Expert writing Tips
Best practice
When using "thin as a", ensure the comparison is vivid and easily understood by your audience. The effectiveness of the simile depends on the clarity and relatability of the object you are comparing the subject to.
Common error
Avoid relying on overused comparisons like "thin as a rail" without considering if a more original or specific simile would better suit your writing's tone and purpose. Strive for fresh imagery.
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "thin as a" primarily functions as a comparative adjective phrase, forming a simile. According to Ludwig, it is utilized to emphasize the extreme slenderness of a subject by comparing it to a commonly recognized thin object. This enhances descriptive writing.
Frequent in
News & Media
68%
Academia
18%
Formal & Business
4%
Less common in
Science
5%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, the phrase "thin as a" is a common and grammatically correct simile used to describe something as extremely slender. Ludwig AI confirms its usability and widespread presence across various contexts. While effective, writers should aim for originality in their comparisons to avoid clichés and enhance their descriptive impact. Remember to consider the connotation of your comparison to ensure it aligns with the desired tone.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
slim like
Focuses more on a pleasing slenderness, a gentler connotation of being thin.
slender as
Emphasizes elegance and grace in its thinness.
fine as
Highlights delicacy and slightness.
narrow like
Stresses the lack of width.
slight like
Focuses on a small or delicate build.
lean like
Implies a healthy or athletic thinness, often associated with muscle.
insubstantial as
Conveys a lack of physical substance or weight.
frail as
Suggests a delicate and possibly weakened state.
delicate like
Focuses on the fragility and fineness of something.
attenuated as
Highlights a reduction in size or thickness, often implying a weakening.
FAQs
How can I use "thin as a" in a sentence?
You can use "thin as a" to compare the slenderness of one thing to another, for instance, "He was as thin as a rake after his illness".
What are some alternatives to the phrase "thin as a"?
Consider using alternatives such as "slim like", "slender as", or "lean like" depending on the specific nuance you want to convey.
Is "thin as a rail" a cliché?
Yes, "thin as a rail" is a common cliché. While easily understood, using more original comparisons can make your writing more impactful. Consider something like "thin as a reed" or "thin as a whisper".
What's the difference between "thin as a" and "skinny as a"?
"Thin as a" generally implies slenderness, while "skinny as a" can sometimes carry a negative connotation, suggesting an unhealthy or bony thinness. The choice depends on the context and the desired tone.
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