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
fanciful idea
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "fanciful idea" is correct and usable in written English.
You can use it to describe an imaginative or unrealistic concept that may not be grounded in reality. Example: "While it was a fanciful idea to think we could travel to Mars in a week, it sparked an interesting discussion about space exploration."
✓ Grammatically correct
News & Media
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
34 human-written examples
But that is a fanciful idea.
News & Media
Critics call it a fanciful idea, an example of Russian red tape thinly disguising protectionist policies.
News & Media
For a while we are presented with the fanciful idea that her conviction is correct.
News & Media
The staff, who had turned a fanciful idea to fill a stadium into a real life football club.
News & Media
Another superannuated plod weighed in with the fanciful idea that the villains had ignited an underground gas fire in nearby Holborn.
News & Media
That once fanciful idea seems creepily closer now that a complete pig's brain has been successfully treated, frozen, rewarmed and found to have its neural connections still intact.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
26 human-written examples
Fanciful ideas?
News & Media
Fanciful ideas rampant".
News & Media
He also floats more fanciful ideas.
News & Media
Johannes Kepler had fanciful ideas about the music of the spheres.
News & Media
This was not an exercise in promoting fanciful ideas and far-fetched schemes.
News & Media
Expert writing Tips
Best practice
Use "fanciful idea" to describe concepts that are imaginative but may lack a basis in reality. It's suitable when discussing creative or theoretical proposals.
Common error
Avoid using "fanciful idea" in highly formal or academic writing where a more precise or neutral term like "theoretical concept" or "hypothetical proposition" would be more appropriate.
Source & Trust
88%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "fanciful idea" functions as a noun phrase, where "fanciful" is an adjective modifying the noun "idea". It describes a particular quality of the idea, indicating that it is imaginative and perhaps unrealistic. According to Ludwig, the phrase is correct and usable.
Frequent in
News & Media
75%
Academia
10%
Encyclopedias
5%
Less common in
Formal & Business
5%
Science
5%
Reference
0%
Ludwig's WRAP-UP
In summary, "fanciful idea" is a commonly used phrase to describe imaginative or unrealistic concepts. Ludwig AI indicates that this is perfectly correct. It is most frequently found in news and media contexts, with a neutral register that makes it suitable for a variety of discussions. While grammatically sound, its use in strictly formal or academic settings may warrant a more precise alternative, such as "theoretical concept".
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
far-fetched concept
Highlights the improbability or difficulty of believing the idea.
whimsical notion
Replaces "idea" with "notion", suggesting a slightly lighter, more playful concept.
implausible notion
Emphasizes the lack of credibility or believability of the idea.
imaginative concept
Substitutes "fanciful" with "imaginative", focusing on creativity rather than unreality.
unrealistic plan
Replaces "idea" with "plan", implying a proposed course of action that is not feasible.
wild thought
Suggests an idea that is unrestrained and perhaps impractical.
outlandish scheme
Emphasizes the bizarre or unconventional nature of the idea.
pipe dream
An idiom referring to an unrealistic hope or plan that is generally considered unattainable.
delusional concept
Implies that the idea is based on false beliefs or a distorted reality.
absurd proposition
Highlights the irrational or nonsensical nature of the idea.
FAQs
How can I use "fanciful idea" in a sentence?
You can use "fanciful idea" to describe a concept that is imaginative but not necessarily practical. For example, "The plan to build a city on the moon was a "fanciful idea", but it inspired many scientists."
What are some alternatives to "fanciful idea"?
Alternatives include "whimsical notion", "imaginative concept", or "unrealistic plan". The best choice depends on the specific nuance you want to convey.
Is "fanciful idea" a formal or informal expression?
"Fanciful idea" is generally considered neutral in tone. While not overly formal, it's suitable for many types of writing, but consider using more precise language in academic contexts.
When is it appropriate to use "fanciful idea"?
It's appropriate when describing ideas that are creative and imaginative but may not be grounded in reality. For example, describing the plot of a fantasy novel or a speculative scientific theory.
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
4.1/5
Expert rating
Real-world application tested