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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
knew not
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "knew not" is correct and usable in written English, though it is somewhat archaic.
You can use it in literary or poetic contexts, or when trying to evoke an old-fashioned tone. Example: "In that moment, he knew not the consequences of his actions."
✓ Grammatically correct
News & Media
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
59 human-written examples
But he knew not to trust photos.
News & Media
He knew not to rebel.
News & Media
I knew not to ask.
News & Media
His parents never knew – not officially.
News & Media
"We knew not to panic," Brown said.
News & Media
"The Tucson people knew not to do that".
News & Media
But Ares knew not to make the mistake of hoping.
News & Media
"Sounds peachy to me," I knew not to say.
News & Media
Even James knew not to tell Mum about this.
News & Media
When later came, I knew not to ask again.
News & Media
"I knew not to wear a good suit," he said.
News & Media
Expert writing Tips
Best practice
When aiming for clarity and contemporary style, opt for the more common "did not know" or "was unaware" instead of "knew not".
Common error
Avoid using "knew not" excessively in modern writing, as it can sound stilted or unnatural. Reserve it for specific contexts where its archaic tone is desired.
Source & Trust
93%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "knew not" functions as a negative verb phrase, indicating a lack of knowledge or awareness. As confirmed by Ludwig AI, it's usable but archaic. It essentially negates the verb "knew", mirroring constructions like "did not know". The examples on Ludwig clearly demonstrates its use in narratives to show a character's ignorance or lack of understanding.
Frequent in
News & Media
88%
Formal & Business
6%
Wiki
3%
Less common in
Science
1%
Encyclopedias
1%
Academia
1%
Ludwig's WRAP-UP
In summary, "knew not" is an archaic phrase meaning "did not know", often used to lend a historical or literary feel to writing. While grammatically correct, modern writers should exercise discretion and consider more common alternatives like "was unaware" or "did not know" for clarity, especially in contemporary contexts. Ludwig AI indicates that, while correct and usable, it is best suited for specific stylistic choices. The phrase appears frequently in news media, suggesting its acceptability in certain formal contexts, but is less common in academic or scientific writing. Ultimately, the choice to use "knew not" depends on the desired tone and audience.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
was unaware
Replaces "knew not" with a more common and straightforward expression of lacking knowledge.
did not know
A simpler and more direct way of saying "knew not", suitable for most contexts.
had no knowledge of
More formal and emphatic, highlighting a complete absence of information.
was ignorant of
Indicates a lack of knowledge, often implying a lack of awareness or education.
was oblivious to
Suggests a lack of awareness or attention to something, rather than just lacking information.
failed to realize
Focuses on the failure to understand or become aware of something.
remained uninformed about
Highlights the state of not being informed, often due to external factors.
had no idea
Informal and emphatic way of expressing a complete lack of knowledge.
was in the dark about
Idiomatic expression suggesting a lack of information or awareness, often due to secrecy.
was unenlightened about
Formal and somewhat archaic, implying a lack of understanding or insight.
FAQs
What does "knew not" mean?
"Knew not" is an archaic way of saying "did not know" or "was unaware". It indicates a lack of knowledge about something.
When is it appropriate to use "knew not" in writing?
It is appropriate to use "knew not" when you want to create a historical or literary tone. In modern writing, alternatives like "did not know" or "was unaware" are more common.
How does "knew not" differ from "did not know"?
"Knew not" is an older, more formal way of saying "did not know". The latter is generally preferred in contemporary English for its simplicity and clarity.
Are there situations where "knew not" would be inappropriate?
Yes, using "knew not" in casual conversation or informal writing may sound unnatural or pretentious. In such contexts, using simpler alternatives like "didn't know" or "was unaware of" is better.
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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
93%
Authority and reliability
4.5/5
Expert rating
Real-world application tested