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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 clueless
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "completely clueless" is correct and usable in written English.
It can be used to describe someone who has no understanding or knowledge about a particular subject or situation. Example: "When it comes to fixing cars, I am completely clueless and would need professional help."
✓ Grammatically correct
News & Media
Academia
Wiki
Alternative expressions(20)
totally oblivious
devoid of understanding
without understanding anything
without knowing anything
completely unaware
entirely ignorant
willfully ignorant
Completely unaware
totally ignorant
lacking understanding
clueless about
deficient in comprehension
uninformed about
misunderstanding of
incapable of understanding
lack of understanding
devoid of sympathy
devoid of empathy
absence of understanding
devoid of significance
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
60 human-written examples
We were completely clueless about what we were getting into".
News & Media
In retrospect, I see that I was completely clueless.
News & Media
But political punditry seems completely clueless about the state of American marriage.
News & Media
Ms. Alpert, unaware of his preoccupation, said, "I was completely clueless".
News & Media
Again referring to the British team, he added, "And they were completely clueless".
News & Media
Yet as I said, the only way to actually believe the modern G.O.P. catechism is to be completely clueless.
News & Media
What he says: "We always had very well-intentioned Labour ministers at Defra who were completely urban and completely clueless.
News & Media
IN Japan, it was just too obvious that we were the completely clueless, linguistically impaired strangers that we were.
News & Media
Meanwhile, Twenty Twelve's most brilliant comic creation is out causing havoc while simultaneously looking smug, arrogant and completely clueless.
News & Media
The stoic Ricardo is the stereotypically repressed white-collar perfectionist completely clueless about other people in his life, while Alejandro devotes his attention to being a father.
News & Media
You see, if he's any indication, big business is completely clueless about both the economics and the politics of the situation.
News & Media
Expert writing Tips
Best practice
When using "completely clueless", ensure the context clearly indicates what the subject is unaware of, to avoid ambiguity.
Common error
While "completely clueless" is widely understood, it may sound too informal for academic papers or business reports. Consider using more formal alternatives like "utterly ignorant" or "wholly unaware" in such settings.
Source & Trust
86%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "completely clueless" functions primarily as an adjective phrase modifying a noun or pronoun. It indicates a state of total lack of knowledge or understanding. Ludwig shows many examples where it describes individuals or groups lacking awareness.
Frequent in
News & Media
65%
Academia
15%
Wiki
8%
Less common in
Formal & Business
5%
Science
4%
Reference
3%
Ludwig's WRAP-UP
The phrase "completely clueless" is a common and grammatically sound way to describe someone's total lack of understanding or knowledge, as validated by Ludwig. While its usage is widespread across various sources, including news, academia, and general web content, it tends to lean toward informal contexts. Ludwig shows that while the phrase is considered correct, it's advisable to consider more formal alternatives like "utterly ignorant" in professional or academic writing. The phrase serves to express criticism or surprise at someone's ignorance, often with a touch of humor or irony. Therefore, while acceptable in many situations, careful consideration of the context and audience is essential for effective communication.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
totally oblivious
Highlights a lack of awareness, often about one's surroundings or situation.
wholly unaware
Stresses a complete absence of knowledge or realization.
utterly ignorant
Emphasizes a total lack of knowledge or awareness.
devoid of understanding
Focuses on the absence of comprehension or insight.
absolutely uninformed
Focuses on the lack of information or education about a subject.
patently ignorant
Highlights a blatant or obvious lack of knowledge.
entirely naive
Suggests a lack of experience or worldly knowledge, leading to unawareness.
densely unperceptive
Emphasizes a strong lack of insight or understanding.
blissfully ignorant
Implies happiness derived from a lack of awareness of unpleasant facts.
knows nothing
Simple and direct way to point out person's lack of knowledge.
FAQs
How can I use "completely clueless" in a sentence?
You can use "completely clueless" to describe someone's lack of knowledge or understanding about something. For example: "I was "completely clueless" about cars until I took an auto repair class."
What are some alternatives to saying "completely clueless"?
Alternatives include "utterly ignorant", "totally oblivious", or "wholly unaware", depending on the specific nuance you want to convey.
Is it appropriate to use "completely clueless" in formal writing?
While widely understood, "completely clueless" is generally considered informal. In formal writing, consider using alternatives like "patently ignorant" or "devoid of understanding".
What's the difference between "completely clueless" and "uninformed"?
"Completely clueless" suggests a total lack of understanding, while "uninformed" simply means lacking information. Someone "uninformed" may be able to understand if given the information, whereas someone "completely clueless" may lack the fundamental knowledge to even begin to understand.
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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