he does not know

USAGE SUMMARY

The phrase "he does not know" is correct and usable in written English.
You can use it to indicate someone's lack of knowledge or awareness about a particular subject or situation. Example: "When asked about the project deadline, he does not know when it is due."

✓ Grammatically correct

News & Media

Academia

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

He does not know why.

The New York Times - Sports

He does not know yet.

The New York Times

He does not know.

The New York Times - Health

Hall says he does not know.

The Guardian

He does not know what to do.

The New York Times

But he does not know that yet.

The New Yorker

He does not know exactly why.

The New Yorker

Mr. Dimon says he does not know.

The New York Times

He does not know how.

The Guardian - Film

Stubbs says he does not know.

University of California, Berkeley

He does not know her exact age.

The New York Times

Expert writing Tips

Best practice

Consider the audience and context. While "he does not know" is generally suitable, alternatives like "he is unaware" or "he has no idea" may be more appropriate depending on the formality of the writing.

Common error

Avoid repeating "he does not know" multiple times in the same paragraph. Vary your language by using synonyms like "he is unaware", "he has no idea", or rephrasing the sentence to maintain reader engagement.

Linguistic Context

The phrase "he does not know" primarily functions as a declarative statement expressing a lack of knowledge or awareness. It asserts a negative attribute (not knowing) about the subject. According to Ludwig AI, this phrase is correct and usable in written English.

Expression frequency: Very common

Frequent in

News & Media

53%

Academia

17%

Wiki

3%

Less common in

Science

17%

Formal & Business

0%

Reference

0%

Ludwig's WRAP-UP

In summary, "he does not know" is a grammatically sound and frequently used phrase to indicate a lack of knowledge. Ludwig AI confirms its correctness and usability. It appears most often in news and media, and academic writing. For variety, consider synonyms like "he is unaware" or "he has no idea". Remember to provide context for clarity and avoid overuse in close proximity. The phrase's widespread presence across authoritative sources underscores its reliability and versatility.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

he is unaware

Replaces "knows" with "is aware", focusing on awareness rather than knowledge.

he has no idea

Uses a more informal idiom to convey a lack of knowledge.

he is ignorant of

Implies a stronger lack of knowledge, bordering on unawareness or a deliberate choice not to know.

he isn't cognizant of

A more formal way of saying he is not aware.

he lacks the information

Focuses on the absence of information rather than the lack of knowledge itself.

he is oblivious to

Indicates a lack of awareness, often implying a lack of attention or concern.

he hasn't a clue

An informal and emphatic way of saying he doesn't know.

he is in the dark about

Uses a metaphor to describe his lack of knowledge.

the information eludes him

Suggests that the information is difficult to obtain or understand.

he is uninformed

Highlights his state of being without information.

FAQs

What does "he does not know" mean?

The phrase "he does not know" indicates a lack of knowledge or awareness on the part of the subject (he) about a particular fact, situation, or piece of information.

What can I say instead of "he does not know"?

You can use alternatives like "he is unaware", "he has no idea", or "he is ignorant of" depending on the context.

How can I use "he does not know" in a sentence?

You can use "he does not know" to indicate someone's lack of knowledge. For example: "He does not know the answer to the question," or "He does not know what the future holds."

Is "he doesn't know" the same as "he does not know"?

Yes, "he doesn't know" is a contraction of "he does not know" and carries the same meaning. The choice between the two often depends on the desired level of formality.