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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
it defies rationale
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "it defies rationale" is correct and usable in written English.
You can use it to describe a situation or action that does not make logical sense or goes against reason. Example: "His decision to invest in a failing company defies rationale, as there are no clear benefits to be gained."
✓ 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
1 human-written examples
It defies rationale and eschews strategy.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
It defies logic.
News & Media
Truly, it defies belief.
News & Media
It defies easy description.
News & Media
It defies scientific explanation.
News & Media
It defies a quick summary.
News & Media
It defies easy categorisation.
News & Media
It defies natural law.
News & Media
It defies common sense".
News & Media
It defies my imagination".
News & Media
It defies the imagination".
News & Media
Expert writing Tips
Best practice
Use "it defies rationale" when you want to emphasize that a situation or decision lacks any logical basis, especially when contrasting it with expectations or established norms.
Common error
While "it defies rationale" is grammatically correct, it leans towards formal language. Avoid using it in casual conversations or informal writing, where simpler alternatives like "it doesn't make sense" might be more appropriate.
Source & Trust
97%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "it defies rationale" functions as a declarative statement, asserting that something lacks a logical basis. Ludwig identifies it as grammatically correct, fitting within standard English sentence structure.
Frequent in
News & Media
100%
Less common in
Science
0%
Formal & Business
0%
Encyclopedias
0%
Ludwig's WRAP-UP
The phrase "it defies rationale" is a grammatically sound expression used to denote something lacking logical basis or justification. Ludwig confirms its correctness and provides examples primarily from news and media sources. While precise and impactful, its formal register may make it less suitable for casual contexts. Consider alternatives like "it defies logic" or "it makes no sense" in less formal settings. In essence, "it defies rationale" is a potent tool for expressing disbelief or criticism when confronted with illogical situations, best reserved for contexts where its formality is appropriate.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
it defies logic
Emphasizes the lack of logical consistency.
it defies reason
Highlights the absence of reasonable explanation.
it makes no sense
Simple and direct way to express incomprehension.
it is incomprehensible
Focuses on the inability to understand the concept.
it is illogical
Highlights the lack of logical structure or coherence.
it is irrational
Emphasizes the lack of rational thought or basis.
it beggars belief
Indicates that something is so improbable that it's hard to believe.
it strains credulity
Suggests that something tests the limits of believability.
it is beyond understanding
Highlights the inability to grasp the situation.
it doesn't add up
Informal way to indicate that something is inconsistent or doesn't make sense.
FAQs
What does "it defies rationale" mean?
It means that something does not make sense or lacks a logical explanation. It suggests that an action, decision, or situation is contrary to reason.
When is it appropriate to use the phrase "it defies rationale"?
It's appropriate in formal writing or speech when you want to emphasize the lack of logic behind something. It's often used to express strong disagreement or disbelief.
What can I say instead of "it defies rationale"?
You can use alternatives like "it defies logic", "it defies reason", or "it makes no sense" depending on the context.
Is "it defies rationale" a common phrase?
While grammatically correct, "it defies rationale" is not as frequently used as simpler alternatives. Its formality makes it more suitable for specific contexts.
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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
97%
Authority and reliability
4.5/5
Expert rating
Real-world application tested