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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
how illogical
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "how illogical" is correct and usable in written English.
It can be used to express disbelief or criticism regarding something that seems unreasonable or nonsensical. Example: "After reviewing the proposal, I couldn't help but think how illogical it was to suggest such a drastic change without any supporting data."
✓ Grammatically correct
News & Media
Wiki
Science
Alternative expressions(1)
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
18 human-written examples
We agreed how illogical were our decisions, the chances we took.
News & Media
Jack Bovill, chairman of the Spelling Society, told me that despite its jocularity, ghoti is nonetheless "useful as an example of how illogical English spelling can be".
News & Media
There are now a number of state legislators who see how illogical this alleged budget situation is, and they are ready to force Rutgers to reconsider.
News & Media
I made a very expressive kind of grimace, intended to mean something along the lines of "you know how illogical children can be".
News & Media
The not-thinking-about-it is an act of pathetically inadequate reciprocation: to a kid (to any of us), no matter how illogical, death can feel like an insult, a vicious snub.
News & Media
A belief or a conviction, no matter how illogical, crackbrained or infuriating, is an idea subject to vigorous dispute but is not an assertion subject to editorial or legal correction".
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
41 human-written examples
You may not realise just how much illogical garbage and ill-formed speculation parents of these children are exposed to.
News & Media
The second criticism was more visceral: You may not realise just how much illogical garbage and ill-formed speculation parents of children with these conditions are exposed to.
News & Media
Bishop's letter also neatly explains why these scare stories are so upsetting: "You may not realise just how much illogical garbage and ill-formed speculation parents of children with these conditions are exposed to.
News & Media
But if the premises of a moral argument are not truth-apt if truth-apt ifantheylly incareble of truth or falsemanticallyl moral arguments, no matter how obvincapablellofical" truthmay appear, will be trivially valid, since the premises cannor be true!
Science
Additional facts reveal how unfair and illogical the process is.
News & Media
Expert writing Tips
Best practice
When using "how illogical", ensure the context clearly establishes what is being deemed illogical. Provide specific examples or details to support your assessment.
Common error
Avoid using "how illogical" as a standalone statement without explaining what specifically lacks logic. Always provide context to clarify your point.
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "how illogical" functions as a relative clause, often used to express a subjective assessment of something lacking logical consistency. Ludwig AI confirms the correctness of the phrase in written English.
Frequent in
News & Media
65%
Wiki
15%
Science
10%
Less common in
Encyclopedias
5%
Formal & Business
5%
Reference
0%
Ludwig's WRAP-UP
In summary, "how illogical" is a commonly used phrase to express a subjective assessment of something lacking logical consistency. As Ludwig AI confirms, the phrase is correct and usable in written English. It functions as a relative clause to express disagreement or critique. While its register is generally neutral, context dictates whether more formal alternatives may be more appropriate. The phrase is frequently found in "News & Media", "Wiki", and "Science" contexts. To ensure clarity, always provide sufficient context when using "how illogical".
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
how irrational
Replaces "illogical" with "irrational", maintaining a similar negative connotation regarding reason.
how unreasonable
Substitutes "illogical" with "unreasonable", focusing on the lack of sound judgment.
how absurd
Replaces "illogical" with "absurd", emphasizing the ridiculous nature of something.
the extent of the absurdity
Emphasizes the degree of ridiculousness instead of directly pointing out the lack of logic.
the degree of irrationality
Highlights the level of irrationality involved.
the lack of sense
Focuses on the absence of logical coherence.
the extent of the fallacy
Points out the presence and degree of flawed reasoning.
how contrary to reason
Emphasizes the opposition to logical thought.
how devoid of logic
Stresses the complete absence of logical reasoning.
the flaw in the reasoning
Highlights the defectiveness of the logic employed.
FAQs
What's a good way to use "how illogical" in a sentence?
You can use "how illogical" to express disbelief or criticism. For example, "We agreed "how illogical" were our decisions" or "There are now a number of state legislators who see "how illogical" this alleged budget situation is".
Are there alternatives to using the phrase "how illogical"?
Yes, depending on the nuance you want to convey, you can use alternatives like "how irrational", "how unreasonable", or "how absurd".
When is it appropriate to use the phrase "how illogical" in writing?
It is appropriate to use "how illogical" when you want to emphasize the lack of reason or sense in a situation, decision, or argument.
Is "how illogical" considered formal or informal language?
The phrase "how illogical" is generally considered neutral and can be used in both formal and informal contexts, although more formal alternatives might be preferred in academic writing. For example you can replace with: "the extent of the fallacy".
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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
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested