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
a pipe dream
Grammar usage guide and real-world examplesUSAGE SUMMARY
"a pipe dream" is a correctly used phrase in written English.
It is used to describe a wish or hope that is highly unlikely to ever come true. For example, "Winning the lottery was his pipe dream, but it never happened."
✓ Grammatically correct
News & Media
Academia
Science
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
That's a pipe dream.
News & Media
"It's not a pipe dream.
News & Media
Or just a pipe dream?
News & Media
Is this a pipe dream?
News & Media
This is not a pipe dream.
News & Media
That is a pipe dream.
News & Media
It was a pipe dream.
News & Media
Is that a pipe dream?
News & Media
But it's a pipe dream.
News & Media
That's not just a pipe dream.
News & Media
Is all of this a pipe dream?
News & Media
Expert writing Tips
Best practice
When using "a pipe dream", ensure the context clearly indicates that the subject is an aspiration that is highly improbable or impossible to achieve. For stronger impact, provide specific reasons why the dream is unrealistic.
Common error
Avoid using "a pipe dream" to describe a goal that is challenging but potentially achievable with effort and planning. "A pipe dream" implies near impossibility, so consider alternative phrases like "ambitious goal" or "long-term objective" if there's a reasonable chance of success.
Source & Trust
88%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a pipe dream" functions as a noun phrase, typically used as a predicate nominative or an appositive. It characterizes a preceding subject, labeling it as an unrealistic or unattainable aspiration. Ludwig examples show the phrase's role in deeming plans or hopes as improbable.
Frequent in
News & Media
67%
Academia
14%
Science
9%
Less common in
Encyclopedias
3%
Formal & Business
3%
Reference
1%
Ludwig's WRAP-UP
In summary, "a pipe dream" is an idiomatic phrase used to describe a goal or plan that is considered unrealistic or impossible to achieve. Ludwig AI confirms its grammatical correctness and provides numerous examples of its usage across various contexts, primarily in News & Media. While generally negative in connotation, the phrase's register is neutral, appearing in both informal and analytical settings. When using this phrase, ensure that the context accurately reflects the improbability of the subject. Alternatives include "unrealistic expectation" or "flight of fancy" if a similar sentiment is needed. Understanding these nuances ensures effective and appropriate communication.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
wishful thinking
Focuses on the desire for something to be true, despite evidence to the contrary.
a pie in the sky
Stresses the unlikelihood of the promised benefit ever materializing.
an unrealistic expectation
Emphasizes the lack of grounding in reality of the expectation.
a flight of fancy
Highlights the imaginative and whimsical nature of the idea.
a castle in the air
Focuses on the impracticality and illusiveness of the plan.
a fantasy
Underlines the purely imaginary and unrealistic quality of the idea.
a long shot
Indicates a low probability of success, but with a slight chance still remaining.
a fool's errand
Highlights the futility and lack of purpose in pursuing the idea.
an illusion
Similar to delusion but suggests a more subtle form of deception.
a delusion
Implies a stronger sense of being misled or deceived about the possibility.
FAQs
How can I use "a pipe dream" in a sentence?
You can use "a pipe dream" to describe an idea or plan that is very unlikely to happen. For example, "His ambition to become a professional athlete was "a pipe dream" since he never trained seriously."
What are some alternatives to saying "a pipe dream"?
Depending on the context, you could use alternatives like "unrealistic expectation", "flight of fancy", or "pie in the sky".
Is "a pipe dream" a negative or positive expression?
"A pipe dream" is generally a negative expression, as it implies that something is not realistically achievable. It suggests a lack of practical possibility or feasibility.
What's the origin of the expression "a pipe dream"?
The expression "a pipe dream" refers to the visions or fantasies that can be induced by smoking opium in a pipe. Therefore it refers to something illusory, unrealistic, and ultimately unattainable.
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
88%
Authority and reliability
4.6/5
Expert rating
Real-world application tested