undetected

adjective

un·​de·​tect·​ed ˌən-di-ˈtek-təd How to pronounce undetected (audio)
-dē-
: not observed, noticed, or detected
an undetected flaw/error
an undetected illness
These rare mistakes are subtle and may go undetected for months and even years.Mario Salvadori

Examples of undetected 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.
Breaches often go undetected for extended periods due to inadequate monitoring tools and processes. Dan Sorensen, Forbes, 4 Mar. 2025 Older tracking devices might not set off an alert, and savvy creeps can reconfigure new trackers to follow you undetected for months. Kim Komando, USA TODAY, 14 Feb. 2025 The latter option meant the noncitizen either approached an immigration official for asylum or illegally crossed the border undetected. Megan Ulu-Lani Boyanton, The Denver Post, 30 Jan. 2025 Problems quickly emerged, but patients’ complaints went undetected by Kaiser’s Institutional Review Board, because it wasn’t told, according to an internal IRB timeline. Lisa M. Krieger, The Mercury News, 29 Jan. 2025 See All Example Sentences for undetected

Word History

First Known Use

circa 1602, in the meaning defined above

Time Traveler
The first known use of undetected was circa 1602

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Cite this Entry

“Undetected.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/undetected. Accessed 13 Mar. 2025.

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