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
illogical reason
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "illogical reason" is correct and usable in written English.
It can be used when discussing a rationale or justification that lacks logical coherence or sense. Example: "His argument was based on an illogical reason that failed to convince anyone in the debate."
✓ Grammatically correct
News & Media
Academia
Alternative expressions(19)
fallacious reasoning
absurd premise
irrational reason
flimsy pretext
nonsensical reason
inadequate basis
unavoidable reason
improper reason
inadequate reason
arbitrary reason
unsatisfactory rationale
unacceptable reason
impermissible reason
probable reason
invalid explanation
poor excuse
fair reason
foolish reason
unreasonable reason
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
4 human-written examples
For some inexplicable (not to mention illogical) reason, I always thought that the faster we got where we were going physically, the faster she'd get to where she needed to be mentally or emotionally.
News & Media
Because they refuse to make their own iPad app for some seemingly illogical reason.
News & Media
For one, red carpeting oozes trashy nouveau riche sensibilities, and the wall paper, for some completely illogical reason, reminds me of the movie Beetlejuice.
News & Media
But for some illogical reason, I'd never thought the locker rooms would be co-ed, even though it makes logical sense.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
56 human-written examples
People don't resist change for illogical reasons.
No one adheres strictly to either philosophy, and it turns out we can be nudged one way or the other for illogical reasons.
News & Media
My theory is that most of them oppose it (not all do, by the way) for illogical reasons, four in number.
News & Media
"We're also seeing more people turning to us who have been sanctioned for seemingly illogical reasons and we're helping people who cannot afford the bedroom tax but are unable to move house".
News & Media
Mike Schwarz, a solicitor for Bindmans – the law firm representing about 110 of the UK Uncut protesters – said he thought the arrests and prosecutions "appeared to be carried out for political and illogical reasons".
News & Media
Mould said food banks were helping more people who had had their benefit suspended "for seemingly illogical reasons" or who could not afford to pay the bedroom tax but were unable to move to a smaller home.
News & Media
"We're talking about mums not eating for days because they've been sanctioned for seemingly illogical reasons or people leaving hospital after a major operation to find that their benefits have been stopped or delayed.
News & Media
Expert writing Tips
Best practice
Pair "illogical reason" with specific examples or explanations to illustrate exactly why the reason is flawed. This provides stronger support for your claim and enhances reader understanding.
Common error
Avoid using "illogical reason" when you actually mean an unreasonable or undesirable outcome. An illogical reason is a flawed explanation, while an unreasonable outcome is a result that is unfair or disproportionate, regardless of the reasoning behind it.
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "illogical reason" functions as an adjective-noun combination describing a justification that lacks coherence. As confirmed by Ludwig AI, it's used to highlight flawed or nonsensical rationales, evident in the examples provided.
Frequent in
News & Media
75%
Academia
25%
Encyclopedias
0%
Less common in
Formal & Business
0%
Science
0%
Wiki
0%
Ludwig's WRAP-UP
The phrase "illogical reason" is a grammatically correct way to describe a rationale that lacks sense. Ludwig AI validates its usage in reputable sources like The New York Times and TechCrunch, predominantly in News & Media and Academia contexts. While relatively rare, its function is to express disagreement or critique of a flawed justification. For alternative expressions, consider phrases like "irrational motive" or "unfounded rationale", adjusting the choice based on the specific nuance required. When employing "illogical reason", provide concrete examples to substantiate your critique.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
irrational motive
Focuses on the underlying drive being unreasonable, rather than the justification itself.
unfounded rationale
Emphasizes the lack of a solid base or evidence for the given reason.
groundless justification
Highlights that the reason lacks any real substance or support.
fallacious reasoning
Indicates that the reason is based on a flawed or deceptive argument.
specious explanation
Suggests that the reason appears plausible but is actually false.
unreasonable basis
Highlights the lack of sound judgment or fairness in the foundation of the reason.
absurd premise
Focuses on the starting point of the reasoning as being ridiculous or nonsensical.
invalid argument
Indicates that the structure of the reasoning is flawed, leading to an unsound conclusion.
senseless cause
Emphasizes that the reason behind something is without purpose or meaning.
implausible pretext
Suggests that the reason is offered as a cover for something else and is not believable.
FAQs
How can I use "illogical reason" in a sentence?
You can use "illogical reason" to describe a justification that doesn't make sense or follow a logical pattern. For example: "The company's decision to cut funding was based on an "illogical reason" that confused investors."
What are some alternatives to "illogical reason"?
Some alternatives to "illogical reason" include "irrational motive", "unfounded rationale", or "fallacious reasoning". The best choice depends on the specific nuance you want to convey.
Is it redundant to say "illogical reason", since a reason is supposed to be logical?
While reasons are ideally logical, the phrase "illogical reason" is used for emphasis or clarity when highlighting that a stated reason fails to meet that standard. It underscores the flawed nature of the justification.
What is the difference between "illogical reason" and "unreasonable reason"?
"Illogical reason" refers to a reason that doesn't make logical sense, while "unreasonable reason" suggests a reason that's excessive or unfair. For example, if someone is punished harshly for a minor offense, the reason may be deemed an unreasonable one.
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
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested