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.
The integration partner failed to inform 700Credit about the compromise, allowing the access to continue unnoticed. Kurt Knutsson, FOXNews.com, 29 Dec. 2025 These buildups are especially common in areas with hard water and often go unnoticed until the faucet starts spraying unevenly or clogging. Daley Quinn, Southern Living, 28 Dec. 2025 Paws Up is not a place where Santa slips in unnoticed. Wendy O'Dea, Robb Report, 28 Dec. 2025 While many people might have their own nostalgic associations with the production, there's a lot that goes into staging the show that is unnoticed by attendees. Tabitha Parent, PEOPLE, 23 Dec. 2025 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

Browse Nearby Words

Cite this Entry

“Unnoticed.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unnoticed. Accessed 8 Jan. 2026.

More from Merriam-Webster on unnoticed

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!