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.
Women being dismissed by their healthcare providers is another culprit, says Tran, and without proper exams and X-rays, the disease goes undetected. Marnie Goodfriend, Flow Space, 25 July 2025 Ten men escaped from the Orleans Parish Prison in the early hours of May 16, breaching a cell wall and using a blind spot to flee undetected. Thao Nguyen, USA Today, 24 July 2025 Bond and bassist Zac Cockrell held down the low end with workmanlike aptitude, leaving plenty of room for bluesy fills, fuzz-distortion accents and pregnant pauses to enter undetected. Bob Gendron, Chicago Tribune, 16 July 2025 The poisoning cost a mere five dollars and went undetected. Wendy Chin, Forbes.com, 7 July 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 3 Aug. 2025.

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