is completely unknown

USAGE SUMMARY

The phrase "is completely unknown" is correct and usable in written English.
It can be used to describe something that has no known information or is not recognized in any way. Example: "The origin of the ancient artifact is completely unknown to historians."

✓ Grammatically correct

Science

News & Media

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Everything is completely unknown.

The New York Times - Sports

All this is completely unknown in Dresden".

The New Yorker

It would be heartening if such a scenario occurred even though the reality is completely unknown.

The Guardian - Sport

Chapter 3 is completely unknown, and therefore more than a little scary".

The New York Times

"However, he is completely unknown by intelligence services, both at the national and local levels," Mr. Molins said.

The New York Times

As we approach the final battle, her power is completely unknown, seeded by nothing except a photograph.

The Guardian - Film

Clearly there is a lot going on deep in the Earth that is completely unknown to science.

The Economist

"But at the end of the day, how you assimilate warfare, your personal reaction to trauma, the way you will be able to cope is completely unknown.

The Guardian - Lifestyle

However, whether and how NATs regulate APA is completely unknown.

Protein & Cell

The upper bounds of plant uncertainties are partially known, while dead-zone nonlinearity is completely unknown.

Journal of the Franklin Institute

The sandfly inventory of neuropeptides, including those that regulate diuretic processes, is completely unknown.

Peptides

Expert writing Tips

Best practice

When using "is completely unknown", ensure the context clearly indicates what is lacking knowledge or understanding. Be specific rather than vague.

Common error

Avoid using "is completely unknown" when there are some existing theories or hypotheses, even if they are unproven. Consider alternatives like "poorly understood" or "partially unknown" for greater accuracy.

Linguistic Context

The phrase "is completely unknown" functions as a predicate adjective, describing the subject as lacking any existing knowledge or understanding. It modifies a noun, indicating a state of absolute ignorance. Ludwig provides numerous examples where this phrase clearly defines the subject's unknown status.

Expression frequency: Very common

Frequent in

Science

69%

News & Media

25%

Wiki

3%

Less common in

Formal & Business

1%

Encyclopedias

1%

Reference

0%

Ludwig's WRAP-UP

The phrase "is completely unknown" serves to highlight a total absence of knowledge about a particular subject. Ludwig AI analysis confirms that it's grammatically correct and frequently used, especially within scientific and journalistic domains. The phrase functions as a predicate adjective, emphasizing the unknown status of a topic. While alternatives like "remains a mystery" or "is poorly understood" exist, "is completely unknown" precisely indicates that no information is available. Use this phrase when you need to clearly express that something lacks any existing knowledge or understanding.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

remains entirely uncertain

Replaces "completely unknown" with a synonymous phrase focusing on uncertainty.

is shrouded in mystery

Uses a metaphorical expression to convey the idea that something is not understood.

is a total enigma

Emphasizes the mysterious and puzzling nature of something.

defies all understanding

Highlights the difficulty or impossibility of comprehending something.

is beyond comprehension

Similar to the previous, but with a slightly different emphasis.

no one has any knowledge of

Uses a more descriptive and less figurative way of expressing the lack of knowledge.

is not within the realm of human understanding

Emphasizes the limitation of human intellect in grasping something.

is a closed book

Uses an idiomatic expression to indicate a lack of access to information.

is lost to the mists of time

Suggests that the information is unavailable due to the passage of time.

escapes our grasp

Implies an active effort to understand that has failed.

FAQs

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

You can use "is completely unknown" to describe a fact, concept, or phenomenon about which there is no existing knowledge. For instance, "The long-term effects of this medication "is completely unknown"."

What are some alternatives to "is completely unknown"?

Alternatives include phrases like "remains a mystery", "is poorly understood", or "is entirely unrecognized", depending on the specific nuance you want to convey.

Is it appropriate to use "is completely unknown" in formal writing?

Yes, "is completely unknown" is appropriate for formal writing, especially in academic and scientific contexts where the extent of knowledge (or lack thereof) needs to be precisely stated.

What's the difference between "is completely unknown" and "is partially unknown"?

"Is completely unknown" suggests that there is absolutely no information available, while "is partially unknown" implies that some aspects are understood, but others are not.