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 air
Grammar usage guide and real-world examplesUSAGE SUMMARY
"thin air" is correct and can be used in written English.
You can use it to describe something that appears to have come out of nowhere or to emphasize the lack of something. For example: "The money seemed to appear out of thin air."
✓ Grammatically correct
News & Media
Academia
Alternative expressions(20)
out of nowhere
vanish without a trace
without any foundation
from scratch
baseless claim
unsubstantiated allegation
weak air
flimsy air
fragile air
tenuous air
determined air
sophisticated atmosphere
refined atmosphere
refined air
subtle elegance
revised air
cultivated atmosphere
elegant ambiance
fresh air
impeccable taste
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
Out of thin air!
News & Media
Simply vanishes into thin air.
News & Media
It might dissipate into thin air.
News & Media
Resolution, then, dissolves into thin air.
News & Media
It builds meaning from thin air.
News & Media
They just appear out of thin air.
News & Media
Our medium is thin air.
News & Media
Its offices are thin air.
News & Media
Shirley materialises from thin air.
News & Media
Defenders were grasping thin air.
News & Media
That's not substance; it's thin air.
News & Media
Expert writing Tips
Best practice
When referring to altitude, remember that the idiom describes the reduced oxygen levels, not necessarily a lack of any air at all.
Common error
Avoid using "thin air" literally to describe a room with poor ventilation. The phrase is primarily used idiomatically, not to describe physical air quality in a space.
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "thin air" primarily functions as a noun phrase. It often acts as an adverbial modifier, describing how something disappears or appears, as demonstrated in Ludwig's examples like "vanish into thin air" or "appear out of thin air". Ludwig confirms it is acceptable in written English.
Frequent in
News & Media
60%
Academia
20%
Science
10%
Less common in
Encyclopedias
5%
Formal & Business
3%
Reference
2%
Ludwig's WRAP-UP
In summary, "thin air" is a versatile noun phrase used to describe something that disappears mysteriously, is created from nothing, or lacks substance. Ludwig AI confirms its correctness and common usage in written English. It is most frequently found in news and media contexts, but also appears in academic and scientific writing. While the phrase has a neutral register, it is essential to consider the idiomatic meaning to avoid misuse. Remember to utilize "thin air" to emphasize the sudden or unsubstantiated nature of something, enriching your descriptions with a touch of mystery or skepticism.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
out of nowhere
Emphasizes the sudden and unexpected appearance of something.
vanish without a trace
Focuses on the complete disappearance of someone or something, leaving no evidence behind.
disappear into the ether
Suggests a mysterious and complete disappearance, often implying a sense of the unknown.
materialize from nothing
Highlights the creation or appearance of something from a state of non-existence.
spring into existence
Implies a sudden and rapid appearance or creation.
evaporate into nothingness
Stresses the complete and irreversible disappearance of something.
without any foundation
Signifies a lack of basis or support for a claim or idea.
from scratch
Indicates starting something entirely from the beginning, with no pre-existing materials or resources.
baseless claim
Refers to an assertion that lacks evidence or support.
unsubstantiated allegation
Emphasizes the lack of proof or verification for an accusation.
FAQs
How can I use "thin air" in a sentence?
What does it mean when someone says something was 'pulled out of thin air'?
Saying something was "pulled out of "thin air"" means it was made up or created without any basis in fact or evidence. It suggests the information is fabricated or unsubstantiated.
Is it correct to use "thin air" to describe a high-altitude environment?
Yes, it is correct. In this context, "thin air" refers to the reduced density of the atmosphere at high altitudes, resulting in lower oxygen levels. For example: "Climbing Mount Everest requires acclimatization to the "thin air"."
What's the difference between "vanish into thin air" and "disappear without a trace"?
Both phrases mean to disappear completely, but "vanish into "thin air"" often implies a sudden or mysterious disappearance, whereas "disappear without a trace" simply means that no evidence of the person or thing remains.
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