Used and loved by millions
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
not notice
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "not notice" is correct and usable in written English.
It can be used when referring to the act of failing to observe or pay attention to something. Example: "I was so engrossed in my book that I did not notice the time passing."
✓ Grammatically correct
News & Media
Science
Wiki
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 might not notice.
News & Media
Did not notice.
News & Media
You will not notice.
News & Media
He did not notice.
News & Media
Readers may not notice overmuch.
News & Media
How did he not notice?
News & Media
"We did not notice".
News & Media
"Some people will not notice".
News & Media
How did I not notice?
News & Media
Visitors may not notice, however.
News & Media
But she did not notice.
News & Media
Expert writing Tips
Best practice
When writing, consider the perspective of the subject. Why did the subject "not notice"? Was it due to distraction, lack of importance, or another factor? Providing insight enhances the narrative.
Common error
Avoid structuring sentences with "not notice" in a way that obscures who failed to observe. Be direct about who did "not notice" something to maintain clarity and impact.
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "not notice" functions primarily as a negative verb phrase, indicating a failure to observe, perceive, or become aware of something. Examples from Ludwig demonstrate its use across various contexts. Ludwig AI confirms its grammatical correctness.
Frequent in
News & Media
65%
Science
18%
Wiki
7%
Less common in
Encyclopedias
2%
Formal & Business
2%
Reference
6%
Ludwig's WRAP-UP
In summary, the phrase "not notice" is a grammatically correct and very common way to express a lack of awareness or observation. As Ludwig AI confirms, it's widely used across various contexts, particularly in News & Media and Scientific sources. While simple, it's crucial to use it precisely, considering factors like why someone failed to observe something and avoiding overuse of the passive voice. Consider alternatives like "fail to observe" or "overlook" for stylistic variation.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
overlook
Highlights the act of disregarding or failing to recognize something.
fail to observe
Focuses on the failure to actively observe something.
be unaware of
Indicates a lack of knowledge or consciousness about something.
escape one's notice
Highlights that something avoided being detected or recognized.
miss seeing
Emphasizes overlooking something visually.
not be conscious of
Stresses a lack of awareness at a conscious level.
be oblivious to
Implies a complete lack of awareness, often of something obvious.
pay no attention to
Suggests a deliberate lack of focus on something.
not register
Focuses on the failure of something to make an impression or be recorded in one's mind.
not catch sight of
Specifically refers to failing to see something.
FAQs
How can I use "not notice" in a sentence?
You can use "not notice" to indicate a lack of awareness or observation. For example, "I did "not notice" the sign" or "She will "not notice" the difference."
What are some alternatives to "not notice"?
Alternatives to "not notice" include "fail to observe", "overlook", and "be unaware of", depending on the context.
Is it better to say "didn't notice" or "did not notice"?
Both "didn't notice" and "did not notice" are grammatically correct, but "didn't notice" is more common in informal speech and writing. "Did not notice" can be used for emphasis.
What's the difference between "ignore" and "not notice"?
"Ignore" implies a conscious decision to disregard something, while "not notice" suggests a lack of awareness or observation without intentionality. You can "ignore" something you have already noticed, but you cannot ignore something you do "not notice".
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested