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
built on a whim
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "built on a whim" is correct and usable in written English.
It can be used to describe something that was created or decided impulsively, without much thought or planning. Example: "The sculpture was built on a whim, inspired by a fleeting idea that struck the artist one afternoon."
✓ 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
2 human-written examples
The first wristwatch, a small silver-cased timepiece with blued hands and a ribbon band, was built on a whim.
News & Media
Flying the solar flag Is Solar Impulse an extravagant toy, built on a whim?
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
55 human-written examples
In the high-technology global economy, trademarks became a solid asset for businesses, which were often built on digital whims.
News & Media
Whatever protesters say, owners cannot build golf courses on a whim.
News & Media
What might we build if, at a whim, we could build anything?
News & Media
"It makes sense that he wants to check it out," said Boris Veldhuijzen van Zanten, who is one of the founders of the technology blog The Next Web and built the Social Statistics service on a whim.
News & Media
So is it possible to run one on a whim?
News & Media
I didn't make this decision on a whim.
News & Media
Do not make this decision on a whim.
Wiki
And I don't even want one of these eerie toys (I didn't shout. I had a word with myself, bought a Build-a-Bear football strip on a whim and left quietly).
News & Media
A few years later, when she and her husband, Alan Silverman, decided to build a house of their own, they called them on a whim.
News & Media
Expert writing Tips
Best practice
When using "built on a whim", ensure the context supports the idea of spontaneity; avoid using it when describing meticulously planned projects.
Common error
Avoid using "built on a whim" to describe endeavors that are the result of careful planning and extensive preparation. This phrase should be reserved for actions born out of spontaneous decisions.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "built on a whim" functions as an adverbial phrase, modifying a verb or clause to indicate that an action was taken impulsively or without prior planning. Ludwig provides examples showing its usage across different contexts.
Frequent in
News & Media
66%
Formal & Business
17%
Science
17%
Less common in
Academia
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "built on a whim" is a grammatically correct and commonly used phrase to describe actions or creations that occur impulsively, without careful planning. Ludwig's analysis indicates it is most frequently found in news and media contexts, with neutral register. While the phrase is widely understood, alternatives like "created spontaneously" or "developed impulsively" can provide similar meaning with slightly different nuances. When using "built on a whim", ensure the context supports spontaneity and avoid misattributing it to meticulously planned activities.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
created spontaneously
Emphasizes the immediate and unplanned nature of the creation.
developed impulsively
Focuses on the lack of forethought in the development process.
constructed without planning
Highlights the absence of a structured plan in the construction.
established on a sudden impulse
Stresses the abrupt and compelling urge behind the establishment.
founded without forethought
Underscores the lack of consideration given before founding.
designed off the cuff
Indicates a casual and impromptu design process.
made on the spur of the moment
Highlights the immediate timing of the decision to make it.
devised arbitrarily
Implies a random and subjective method of devising.
originated casually
Focuses on the relaxed and informal origin of something.
dreamed up unexpectedly
Emphasizes the surprise and lack of anticipation in the idea's creation.
FAQs
What does "built on a whim" mean?
The phrase "built on a whim" describes something that was created or done based on a sudden desire or impulse, without careful planning or consideration.
How can I use "built on a whim" in a sentence?
You can use it to describe an action taken without prior thought, such as: "The project was "built on a whim" after a late-night conversation."
Are there alternatives to the phrase "built on a whim"?
Yes, you can use alternatives such as "created spontaneously", "developed impulsively", or "made on the spur of the moment".
Is it grammatically correct to say "built on a whim"?
Yes, it is grammatically correct. According to Ludwig, the phrase "built on a whim" is a standard English phrase used to describe something done impulsively.
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
4.5/5
Expert rating
Real-world application tested