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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
completely illogical
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "completely illogical" is correct and usable in written English.
It can be used to describe something that makes no sense or is entirely unreasonable. Example: "The argument presented in the meeting was completely illogical and failed to convince anyone."
✓ Grammatically correct
News & Media
Science
Wiki
Alternative expressions(20)
patently absurd
devoid of logic
totally nonsensical
utterly absurd
patently ridiculous
entirely preposterous
absolutely senseless
blatantly absurd
manifestly foolish
completely absurd
thoroughly nonsensical
utterly nonsensical
clearly ridiculous
obviously nonsensical
plainly ludicrous
demonstrably false
clearly illogical
Manifestly untrue
Patently false
plainly absurd
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
52 human-written examples
"It's completely illogical".
News & Media
But this argument is completely illogical.
News & Media
The Conservatives described the defection as "completely illogical".
News & Media
"It was a completely illogical hitting out," he said.
News & Media
"The states' response is completely illogical," Mr. Astrue said.
News & Media
It said on Twitter: "Mark Reckless' decision to join Ukip is completely illogical.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
8 human-written examples
It seems totally illogical".
News & Media
"It is totally illogical.
News & Media
That is not entirely illogical.
News & Media
ReprintsAdmittedly, this is not wholly illogical.
News & Media
And while I wouldn't trade the Tasmanian Devil we spawned after Wren's birth and death for anything in the world, it gave me a completely emotional, illogical feeling of glee (and pang of jealousy) to see Palin up on stage with her little five-month bundle of extra-chromosomed joy Wednesday night.
News & Media
Expert writing Tips
Best practice
Use "completely illogical" to express a strong disagreement or to emphasize the lack of reason in an argument or action. This phrase is most effective when the situation involves a clear violation of logical principles.
Common error
Avoid using "completely illogical" when describing personal preferences or subjective opinions. Logic doesn't apply to taste, so using the phrase can sound inappropriately harsh or dismissive.
Source & Trust
86%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "completely illogical" functions as an adjectival phrase, modifying a noun or pronoun to describe something as lacking any logic or reason. As Ludwig AI shows, this phrase is commonly used to express strong disagreement or disbelief.
Frequent in
News & Media
83%
Wiki
7%
Science
4%
Less common in
Formal & Business
3%
Social Media
0%
Encyclopedias
0%
Ludwig's WRAP-UP
The phrase "completely illogical" is a commonly used and grammatically sound way to describe something that lacks any sense or reason. As evidenced by Ludwig AI, its primary function is to express strong disagreement or disbelief. It is suitable for neutral registers, often found in News & Media and conveys a sense of disbelief that something makes no sense. While alternatives like "utterly irrational" or "entirely nonsensical" exist, this phrase stands out for its clarity and directness. When employing this expression, be mindful to avoid its misuse in subjective contexts where personal preferences prevail over objective reasoning.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
utterly irrational
Emphasizes the lack of reason and is often used in more emotional contexts.
totally unreasonable
Focuses on the lack of fairness or justification.
entirely nonsensical
Highlights the lack of meaning or coherence.
patently absurd
Suggests that the illogical nature is obvious and ridiculous.
devoid of logic
Directly states the absence of logical reasoning.
manifestly inconsistent
Highlights a clear contradiction or lack of alignment.
blatantly irrational
Similar to "utterly irrational", but emphasizes the obviousness of the irrationality.
plainly fallacious
Indicates that something is based on a mistaken belief or unsound argument.
demonstrably flawed
Highlights the presence of clear faults or weaknesses in reasoning.
categorically unfounded
Emphasizes the complete lack of a basis or foundation.
FAQs
How can I use "completely illogical" in a sentence?
You can use "completely illogical" to describe arguments, decisions, or systems that lack any logical basis. For example: "The decision to cut funding for education while increasing military spending is "completely illogical"."
What are some alternatives to saying "completely illogical"?
Alternatives include "utterly irrational", "totally unreasonable", or "entirely nonsensical". The best choice depends on the specific nuance you want to convey.
Is it better to say "illogical" or "completely illogical"?
"Completely illogical" emphasizes the total lack of logic, making it a stronger statement than simply saying "illogical". Use "completely illogical" when you want to strongly highlight the absence of reason.
What's the difference between "completely illogical" and "irrational"?
"Illogical" refers to something that doesn't follow the rules of logic, while "irrational" often implies a lack of reason influenced by emotion. Something can be "completely illogical" without being emotionally driven, and vice versa.
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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
86%
Authority and reliability
4.6/5
Expert rating
Real-world application tested