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
irrational exuberance
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "irrational exuberance" is correct and usable in written English.
It is typically used to describe a situation where investors are overly enthusiastic about the market, leading to inflated asset prices. Example: "The stock market experienced a period of irrational exuberance, resulting in a bubble that eventually burst."
✓ Grammatically correct
News & Media
Academia
Formal & Business
Alternative expressions(17)
unjustified optimism
excessive optimism
foolish excitement
unwarranted optimism
unrealistic expectations
overly optimistic
exaggerated expectations
blind faith
unreasonable optimism
baseless optimism
unfounded optimism
groundless optimism
naive optimism
unsubstantiated optimism
groundless anticipation
unfounded expectation
wishful thinking
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
58 human-written examples
INSIDE TRACK: Irrational exuberance.
News & Media
This is hardly irrational exuberance.
Academia
In danger of irrational exuberance?
News & Media
Irrational exuberance is wrong but not criminal.
News & Media
India shows dangerous signs of irrational exuberance.
News & Media
It is more prevalent than irrational exuberance.
News & Media
"Irrational Exuberance," works by Geoffrey Stein.
News & Media
In other words, beware irrational exuberance.
News & Media
The sky-high prices suggest irrational exuberance.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
2 human-written examples
14 1 *IRRATIONAL EXUBERANCE, by Robert J. Shiller.
News & Media
Shiller, Robert J. Irrational Exuberance, 2nd edition.
Academia
Expert writing Tips
Best practice
When discussing financial markets, use "irrational exuberance" to critically assess periods of rapid asset price inflation that seem disconnected from underlying economic fundamentals. It implies a cautionary perspective.
Common error
Avoid applying "irrational exuberance" to general positive sentiment or enthusiasm. Reserve it for situations where there's a clear disconnect between market valuations and economic realities, indicating a potential bubble.
Source & Trust
89%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "irrational exuberance" functions as a noun phrase, often acting as a subject or object in a sentence. It typically describes a market condition characterized by unsustainable investor optimism. Ludwig's examples show it being used to identify periods of economic bubble formation.
Frequent in
News & Media
63%
Academia
17%
Formal & Business
20%
Less common in
Science
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "irrational exuberance" is a commonly used noun phrase, primarily within News & Media and Academic contexts, to describe market conditions driven by unsustainable optimism. Ludwig AI confirms its grammatical correctness. It serves as a critical assessment, cautioning against market bubbles. When using the phrase, remember that it should be used in situations where there's a clear disconnect between market valuations and economic realities, indicating a potential bubble and avoid using it loosely to generally describe enthusiastic optimism. Consider alternatives like "unjustified optimism" or "excessive optimism" for nuanced expression.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
irrational optimism
Focuses on the lack of rationality in the positive outlook.
irrational belief
Focuses on belief being irrational.
unjustified optimism
Focuses on the lack of a rational basis for the positive outlook.
excessive optimism
Highlights the extreme degree of positive expectation.
unfounded enthusiasm
Emphasizes that the excitement lacks a solid foundation.
inflated expectations
Focuses on expectations being higher than what is realistic.
market frenzy
Specifically refers to a state of wild excitement in the financial market.
speculative mania
Links the exuberance directly to speculative investment activities.
bubble mentality
Suggests a mindset that contributes to economic bubbles.
wild speculation
Highlights the recklessness of speculative investment activities.
FAQs
How can I effectively use "irrational exuberance" in a sentence?
Use "irrational exuberance" to describe situations where market enthusiasm seems detached from real economic value, like: "The dot-com boom was fueled by "irrational exuberance" leading to a market crash."
What are some alternative phrases I can use instead of "irrational exuberance"?
Consider alternatives like "unjustified optimism", "excessive optimism", or "unfounded enthusiasm" depending on the specific nuance you want to convey.
Is it appropriate to use "irrational exuberance" in formal writing?
Yes, "irrational exuberance" is suitable for formal writing, especially in economic or financial contexts. It's a well-recognized term often used by economists and financial analysts.
What's the origin of the phrase "irrational exuberance"?
The phrase "irrational exuberance" was popularized by Alan Greenspan, former chairman of the Federal Reserve, in 1996, when he used it to describe the stock market boom at the time.
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
4.6/5
Expert rating
Real-world application tested