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
is not lost on
Grammar usage guide and real-world examplesUSAGE SUMMARY
"is not lost on" is a correct and usable phrase in written English.
It means that someone has understood or noticed something that is not obvious or apparent to others. An example of using this phrase in a sentence could be: "The irony of a famous chef burning dinner is not lost on his guests, who are usually the ones to receive compliments for their cooking skills."
✓ Grammatically correct
News & Media
Formal & Business
Alternative expressions(1)
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
This is not lost on students.
News & Media
This is not lost on the voters.
News & Media
"That is not lost on us.
News & Media
It is not lost on Hossa.
News & Media
This is not lost on Mr. Harman.
News & Media
The lesson is not lost on Raff.
News & Media
This fact is not lost on Mrs. Trump.
News & Media
The irony is not lost on Myint.
News & Media
The irony is not lost on us.
News & Media
It is not lost on the L.S.U.
News & Media
The irony is not lost on him.
News & Media
Expert writing Tips
Best practice
Use "is not lost on" when you want to subtly suggest that someone is aware of an implication or nuance that may not be immediately obvious to everyone.
Common error
Avoid using "is not lost on" when a more direct statement of understanding would be clearer and more impactful. The phrase works best when implying a deeper awareness.
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "is not lost on" functions as an idiomatic expression used to indicate that someone is aware of or understands something, particularly a subtle point or implication. Ludwig's examples show it's frequently used to highlight irony, significance, or potential consequences that someone has recognized.
Frequent in
News & Media
82%
Formal & Business
10%
Science
3%
Less common in
Academia
2%
Encyclopedias
1%
Reference
1%
Ludwig's WRAP-UP
The phrase "is not lost on" is a common idiom used to indicate that someone is aware of something, especially something subtle or ironic. According to Ludwig's analysis, the phrase is grammatically correct and frequently appears in news and media, signifying a neutral to professional register. While direct alternatives exist, this idiom offers a nuanced way to highlight awareness, and the plentiful examples available in Ludwig emphasize its utility in various writing contexts.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
is not unnoticed by
Stresses the fact that something has been observed and acknowledged.
is well understood by
Highlights the level of comprehension regarding a particular subject.
is clearly understood by
Focuses on the clarity of the understanding.
is keenly aware of
Emphasizes the sharpness and intensity of awareness.
is well recognized by
Indicates broad acknowledgment or acceptance of a fact or situation.
is fully appreciated by
Focuses on the appreciation aspect, implying a value is recognized.
is something they comprehend
Simple restructuring to emphasize comprehension.
they are cognizant of
Uses more formal vocabulary to express awareness.
they grasp the significance of
Emphasizes understanding the importance or impact.
it registers with them
Emphasizes that something has made an impression or impact.
FAQs
How can I use "is not lost on" in a sentence?
Use "is not lost on" to indicate that someone is aware of something, especially something subtle or ironic. For instance, "The irony of the situation "is not lost on" the experienced negotiator."
What are some alternatives to "is not lost on"?
Alternatives include phrases like "is fully appreciated by", "is well understood by", or "is keenly aware of", depending on the specific nuance you want to convey.
Is it ever incorrect to use "is not lost on"?
While grammatically correct, "is not lost on" might be inappropriate in very informal contexts or when a more direct statement would be clearer. Overusing it can also make your writing sound pretentious.
What does "is not lost on" exactly mean?
It means that someone is aware of or understands something, often something implied or subtle. It suggests a level of insight or comprehension beyond the obvious.
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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
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested