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
unnoticeable
Grammar usage guide and real-world examplesUSAGE SUMMARY
The word 'unnoticeable' is correct and can be used in written English.
It is an adjective that is used to describe something that is so subtle or insignificant that it is difficult to be seen, heard, or noticed. Example sentence: The minor change in the room's decoration was almost unnoticeable.
✓ Grammatically correct
News & Media
Encyclopedias
Alternative expressions(9)
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
The DRM problem cannot be enough to knock more than a few cents a song off the price... unnoticeable even to heavy iPod users like me.Mr Jobs is right that the current equilibrium is not sustainable, but it seems likely to me that the record companies are looking forward to a day when all distribution is electronic; they want DRM technology well established by then.
News & Media
The thing is that it must be done so tactfully the teaching has to be delicate, unnoticeable and affectionate .This approach made Mr Maxwell the most sought-after fiction editor at the New Yorker, and he guided many young writers to literary maturity.
News & Media
They refused to sell America oil, so America slightly bid up the price of non-Arab oil; the Arab oil was shipped to Europe and Japan instead; falling demand for non-Arab oil pushed the price of that sort of oil back down again; and the overall effect on world markets, or American oil consumption, was unnoticeable.
News & Media
With increasing size, they become less volatile; the odour decreases and eventually becomes unnoticeable, although some diamines have offensive odours.
Encyclopedias
Within a certain range of object distances this sharpness loss is still comparatively unnoticeable.
Encyclopedias
Motor tics may be simple actions that are virtually unnoticeable.
Encyclopedias
Strictly believe DMs should almost always be unnoticeable.
News & Media
That accuracy would be practically unnoticeable if you were navigating a city with Google Maps, but it's vital in driverless car technology, where the difference between metres and millimetres is hugely important to avoid collisions.
News & Media
The severity of the illness, which may occur at any time during the year, varies from an unnoticeable disease to a fatal infection.
Encyclopedias
The residents in our building had developed the habit of clapping or stomping to turn on a lamp, and to announce their presence; a few, like me, preferred a stealthy, unnoticeable passing in the dark.
News & Media
The program highlights the ordinarily unnoticeable control a computer has over the data we feed it.
News & Media
Expert writing Tips
Best practice
Use "unnoticeable" when describing changes, effects, or details that are so slight as to not be easily detected. For instance, "The difference in taste was unnoticeable."
Common error
While "unnoticeable" is a perfectly valid word, avoid overusing it in formal writing. Opt for more precise synonyms like "imperceptible" or "negligible" to enhance clarity and sophistication.
Source & Trust
91%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The primary grammatical function of "unnoticeable" is as an adjective. It modifies nouns to describe something that is difficult or impossible to notice. Ludwig AI confirms its correct usage.
Frequent in
News & Media
63%
Encyclopedias
15%
Science
12%
Less common in
Formal & Business
0%
Wiki
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, "unnoticeable" functions as an adjective denoting something difficult to perceive or detect. Ludwig AI confirms its correct usage across various contexts, especially in News & Media and Encyclopedias. The phrase is grammatically sound and enjoys frequent use, suitable for neutral registers. Related phrases include "imperceptible" and "inconspicuous", offering nuanced alternatives. When writing, ensure precision by considering synonyms for formal contexts and avoid overuse. The example sentences highlight how "unnoticeable" minimizes significance or emphasizes subtlety.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
imperceptible
Emphasizes the extreme subtlety of something, making it almost impossible to detect.
inconspicuous
Focuses on the lack of visibility or the intention to avoid being noticed.
subtle
Highlights the delicacy and refinement of something, making it not immediately obvious.
undetectable
Implies that something cannot be found or discovered, even with effort.
faint
Suggests a weak or indistinct quality, making something hard to perceive.
barely visible
Directly indicates that something is only just able to be seen.
negligible
Indicates something so small or unimportant that it can be disregarded.
low-profile
Implies an intentional effort to avoid attention or publicity.
obscure
Suggests that something is hidden or not well-known, making it difficult to find or understand.
camouflaged
Implies that something is deliberately disguised to blend in with its surroundings.
FAQs
How to use "unnoticeable" in a sentence?
You can use "unnoticeable" to describe something that is difficult to see or detect. For example, "The scratch on the surface was almost unnoticeable".
What can I say instead of "unnoticeable"?
You can use alternatives like "imperceptible", "inconspicuous", or "subtle" depending on the context.
Which is correct, "unnoticeable" or "non-noticeable"?
"Unnoticeable" is the correct and more commonly used term. "Non-noticeable" is less frequent and can sound awkward.
What's the difference between "unnoticeable" and "invisible"?
"Unnoticeable" means something is difficult to detect, while "invisible" means something cannot be seen at all. Something "unnoticeable" might still be technically visible, but not easily observed, whereas something "invisible" is entirely beyond visual perception.
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
91%
Authority and reliability
4.6/5
Expert rating
Real-world application tested