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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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completely unknown

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "completely unknown" is correct and usable in written English.
You could use it to describe something that nobody knows or understands. For example: "The scientist's solution to the problem was completely unknown to the rest of the team."

✓ Grammatically correct

News & Media

Science

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Everything is completely unknown.

"Over here, they're completely unknown".

All this is completely unknown in Dresden".

News & Media

The New Yorker

"It's completely unknown by most Londoners.

News & Media

Independent

"This is a completely unknown protein.

News & Media

Independent

The woman, Maria Schneider, was completely unknown.

"And its whereabouts were completely unknown since the 1960s".

"The Philippines is a completely unknown quanity here.

News & Media

The Guardian

Still, Kunitz was an almost completely unknown poet.

News & Media

The New Yorker

The Turnage narrative was completely unknown to scholars until year.

News & Media

The New York Times

This time last year, I was completely unknown.

Show more...

Expert writing Tips

Best practice

Use "completely unknown" to emphasize a total absence of prior knowledge or awareness. It's stronger than simply saying "unknown".

Common error

While acceptable in many contexts, using "completely unknown" excessively in formal or academic writing can sound less professional. Consider alternatives like "uninvestigated" or "unexplored" for a more sophisticated tone.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

86%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "completely unknown" functions as a modifier, specifically an adjectival phrase, providing further description to a noun. Ludwig AI validates its correctness and usability in written English, confirming its role in adding emphasis to the state of being unknown.

Expression frequency: Very common

Frequent in

News & Media

40%

Science

38%

Huffington Post

9%

Less common in

The New Yorker

3%

Forbes

1%

TechCrunch

1%

Ludwig's WRAP-UP

The phrase "completely unknown" is a grammatically sound and commonly used adjectival phrase that amplifies the idea of something being unknown, indicating a total absence of knowledge. Ludwig AI confirms its validity for use in writing. With a neutral register, it fits diverse contexts, particularly news and science, where precision is key. When writing, use this phrase to stress a complete lack of prior awareness, but be mindful of sounding overly informal in highly formal settings. Alternatives include "entirely unfamiliar" or "utterly unheard of" depending on the nuance you wish to convey.

FAQs

How can I use "completely unknown" in a sentence?

You can use "completely unknown" to describe something that nobody knows or understands, such as, "The origins of the artifact are "completely unknown"."

What are some alternatives to "completely unknown"?

Alternatives include "entirely unfamiliar", "utterly unheard of", or "totally unrecognized" depending on the specific context.

Is it redundant to say "completely unknown"? Isn't "unknown" enough?

While "unknown" implies a lack of knowledge, "completely unknown" emphasizes a total absence of any prior knowledge or awareness, strengthening the statement.

Which is better, "largely unknown" or "completely unknown"?

"Largely unknown" suggests some partial knowledge exists, whereas "completely unknown" indicates no knowledge whatsoever. The choice depends on the degree of obscurity you wish to convey.

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Source & Trust

86%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: