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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
preposterous idea
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "preposterous idea" is correct and usable in written English.
It can be used to describe an idea that is absurd or ridiculous, often in a context where one is expressing disbelief or criticism. Example: "The proposal to build a theme park on the moon is a preposterous idea that no one should take seriously."
✓ 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
43 human-written examples
A preposterous idea?
News & Media
That's a preposterous idea.
News & Media
It was a preposterous idea.
News & Media
That would have been a preposterous idea 20 years ago.
News & Media
And then there's the preposterous idea that "viral videos" should be a concern at all.
News & Media
It was a preposterous idea that, playing along with a twinkle, he did nothing to disabuse.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
17 human-written examples
The issue was preposterous ideas that in some cases threatened the privacy of the American people".
News & Media
One of the most preposterous ideas floating about is that the world's poor feel "entitled" to assistance.
News & Media
Without hare-brained, impetuous plans and preposterous ideas to add some va-va-voom to our waking hours, we would all proceed in a pre-ordained, predictable fashion – in fact, our lives probably wouldn't be worth living at all.
News & Media
(One supply-side guru compared Slobodan Milosevic to Abraham Lincoln. Another said that American upper-class women "are averse to science and technology and baffled by it"). While their other preposterous ideas went nowhere, the equally preposterous notion of supply-side economics took the political system by storm.
News & Media
The campers in Cottage Grove spent half their time agonizing over cultural sensitivity ("We're highly dominated by elderly white engineering types," a stovemaker who'd worked in Uganda told me. "So you get a lot of preposterous ideas that'll never fly in the kitchen") and the other half grousing about "design drift".
News & Media
Expert writing Tips
Best practice
Use "preposterous idea" when you want to strongly convey that something is not only wrong, but also ridiculous or absurd. It adds a layer of dismissiveness to your critique.
Common error
While "preposterous idea" is widely understood, it can sound overly dismissive or informal in certain professional or academic settings. Consider substituting it with more neutral terms like "untenable argument" or "implausible theory" in formal writing.
Source & Trust
93%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
Preposterous idea functions as a noun phrase, typically serving as the object or subject complement in a sentence. It characterizes a concept as absurd or ridiculous. Ludwig AI's analysis confirms its correct usage, often expressing strong disagreement or disbelief.
Frequent in
News & Media
70%
Formal & Business
15%
Science
10%
Less common in
Encyclopedias
2%
Wiki
2%
Reference
1%
Ludwig's WRAP-UP
The phrase "preposterous idea" effectively conveys the absurdity or ridiculousness of a concept, making it a useful tool for expressing strong disagreement or disbelief. As shown by Ludwig, the phrase is grammatically correct and commonly found in News & Media. While generally acceptable, it's important to consider the formality of the context, opting for more neutral alternatives like "untenable argument" or "implausible theory" in academic or professional settings. To avoid overusing it, diversify your language with similar phrases such as "absurd notion" or "ridiculous concept".
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
absurd notion
Replaces "idea" with "notion", implying a similarly unreasonable concept.
ridiculous concept
Substitutes "preposterous" with "ridiculous" and "idea" with "concept", maintaining the sense of absurdity.
ludicrous proposition
Uses "ludicrous" instead of "preposterous" and "proposition" instead of "idea", indicating something laughable or absurd.
outlandish suggestion
Replaces "preposterous" with "outlandish" and "idea" with "suggestion", denoting something bizarre or unconventional.
far-fetched scheme
Uses "far-fetched" instead of "preposterous" and "scheme" instead of "idea", suggesting a plan that is unlikely to succeed.
untenable argument
Replaces "preposterous" with "untenable" and "idea" with "argument", implying that the idea cannot be defended.
implausible theory
Substitutes "preposterous" with "implausible" and "idea" with "theory", indicating a lack of credibility.
foolish assumption
Uses "foolish" instead of "preposterous" and "assumption" instead of "idea", suggesting a lack of wisdom.
inane thought
Replaces "preposterous" with "inane" and "idea" with "thought", denoting something silly or meaningless.
absurdity
A more concise way of expressing the same sentiment, focusing on the quality of being ridiculous.
FAQs
How can I use "preposterous idea" in a sentence?
You can use "preposterous idea" to describe a concept that you find utterly ridiculous or absurd. For example, "The suggestion that we should all work for free is a "preposterous idea"."
What are some synonyms for "preposterous idea"?
Alternatives to "preposterous idea" include "absurd notion", "ridiculous concept", or "ludicrous proposition", all of which convey a similar sense of disbelief and ridicule.
Is it appropriate to use "preposterous idea" in formal writing?
While grammatically correct, "preposterous idea" can sometimes be perceived as too informal or dismissive for academic or professional contexts. In such cases, consider using alternatives like "untenable argument" or "implausible theory".
What's the difference between "preposterous idea" and "bad idea"?
"Bad idea" simply means something is not advisable. "Preposterous idea" suggests something is not only unwise but also completely absurd and worthy of ridicule. The former is a milder critique than the latter.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
93%
Authority and reliability
4.5/5
Expert rating
Real-world application tested