unnoticed

adjective

un·​no·​ticed ˌən-ˈnō-təst How to pronounce unnoticed (audio)
Synonyms of unnoticednext
: not seen or noticed
an unnoticed error
a change that has gone unnoticed

Examples of unnoticed in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Acoustic monitoring could therefore provide an additional layer of protection by identifying unusual mechanical behaviour that might otherwise go unnoticed during routine inspections. — Prabhat Ranjan Mishra, Interesting Engineering, 26 Oct. 2026 Order timestamps cannot explain whether preparation was slow or a finished item waited unnoticed. — Maria Zhang, Forbes.com, 26 Oct. 2026 Use strong antivirus protection Strong antivirus software adds another layer of protection by monitoring suspicious behavior and detecting threats that may go unnoticed. — Kurt Knutsson, FOXNews.com, 23 Oct. 2026 The honeymoon phase seems over, and Cowboys Nation's frustration isn't going unnoticed. — Briana Aldridge, CBS News, 22 Oct. 2026 See All Example Sentences for unnoticed

Word History

First Known Use

1660, in the meaning defined above

Time Traveler
The first known use of unnoticed was in 1660

Phrases Containing unnoticed

Rhymes for unnoticed

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Browse Nearby Words

unnoticeable
unnoticed
unnoticing
See all Nearby Words

Cite this Entry

“Unnoticed.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unnoticed. Accessed 27 Oct. 2026.

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