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
sheer foolishness
Grammar usage guide and real-world examplesUSAGE SUMMARY
"sheer foolishness" is a correct and usable phrase in written English.
You can use it to describe a situation or action in which someone is behaving in a foolish and reckless manner. For example, "John's decision to quit his job and move to a new city was sheer foolishness."
✓ Grammatically correct
News & Media
Science
Alternative expressions(20)
utter lack of knowledge
utter foolishness
utter excellence
sheer brilliance
sheer terror
utter rubbish
utter perfection
consummate skill
mere perfection
great perfection
sheer inefficiency
sheer spite
arrant nonsense
bloody nonsense
sheer perfection
complete mastery
sheer heaven
complete drivel
sheer ignorance
complete lack of awareness
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
8 human-written examples
Or is it sheer foolishness to seem as if I'm encouraging anyone else to try to replicate this feat?
News & Media
"Voodoo Science, a worthy successor to Gardners book, is chock-full of the latest pseudoscientific hoaxes, scams and cases of sheer foolishness.
News & Media
To delay withdrawal in the hope that an Iraqi government under a democratic constitution will emerge and end the civil war is sheer foolishness.
News & Media
"For us to hope that the economy will improve tomorrow is sheer foolishness," Mr. Miller said in a speech explaining his vote.
News & Media
For any of them to have come out and backed Trump's credibility against Comey's credibility would have taken an act of masochism, or sheer foolishness.
News & Media
But if class conflict came with the territory, the deeper fear was what the masses might do out of sheer foolishness.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
49 human-written examples
It's sheer madness.
News & Media
His responses during these incidents went against cultural expectations for African-American athletes; Sports Illustrated's Daniel Coyle wrote that they "were regarded by all whites and many blacks as prideful foolishness, if not sheer lunacy".
Wiki
Rather, he is a passive, diligent character, who reacts rather than initiates, who winds up a victim not of his own narcissism or foolishness, but of others' folly and the sheer, stupid randomness of fate.
News & Media
Foolishness rules.
News & Media
"Foolishness," he said.
News & Media
Expert writing Tips
Best practice
Use "sheer foolishness" to describe actions or decisions that are not only unwise but also lack any sound reasoning. This phrase carries a tone of strong disapproval.
Common error
Avoid using "sheer foolishness" in situations that only require a mild rebuke. The phrase implies a significant level of incompetence or recklessness, so it may be too harsh for minor errors in judgment.
Source & Trust
94%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "sheer foolishness" functions as a noun phrase that typically serves as a subject complement or object, often expressing a strong negative evaluation of an action or idea. Ludwig AI confirms its correctness and usability in English.
Frequent in
News & Media
75%
Science
25%
Formal & Business
0%
Less common in
Academia
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "sheer foolishness" is a grammatically correct and usable phrase in English, as confirmed by Ludwig AI. It serves to express strong disapproval of actions or ideas considered extremely unwise. While not frequently used (Uncommon frequency), the phrase appears mostly in news and media contexts. When using "sheer foolishness", be mindful of its intensity, as it implies a significant lack of judgment. Consider alternatives such as "utter stupidity" or "complete absurdity" to better suit the context.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
rank foolishness
Highlights the blatant and obvious nature of the foolishness.
downright foolishness
Emphasizes the undeniable and unambiguous quality of the foolishness.
utter stupidity
Emphasizes the complete lack of intelligence or reason behind an action or idea.
unadulterated foolishness
Highlights the purity and completeness of the foolishness, without any redeeming qualities.
complete absurdity
Highlights the ridiculous and nonsensical nature of something.
pure idiocy
Conveys a strong sense of foolishness, bordering on imbecility.
unmitigated foolishness
Stresses that the foolishness is not lessened or excused in any way.
absolute lunacy
Suggests a level of foolishness that is extreme and irrational, almost insane.
arrant nonsense
Focuses on the lack of sense and the erroneous nature of something.
plain silliness
Implies a lighter, less serious form of foolishness, more playful than harmful.
FAQs
How can I use "sheer foolishness" in a sentence?
You can use "sheer foolishness" to describe an action or idea that is completely lacking in good sense or reason. For example, "Investing all your money in a risky venture like that is "utter foolishness"".
What is a more formal way to express "sheer foolishness"?
While "sheer foolishness" is suitable for many contexts, a more formal alternative could be "profound imprudence" or "unmitigated folly", depending on the specific nuance you want to convey.
How does "sheer foolishness" differ from "simple mistake"?
"Sheer foolishness" implies a deliberate disregard for prudence and good judgment, suggesting a significant error in decision-making. A "simple mistake", on the other hand, is typically an unintentional error made without any intent to be reckless or imprudent.
What are some other phrases similar to "sheer foolishness"?
Similar phrases include "utter stupidity", "complete absurdity", and "absolute lunacy", each conveying a slightly different shade of meaning related to a lack of wisdom or good sense.
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
94%
Authority and reliability
4.5/5
Expert rating
Real-world application tested