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.
Loading your audio article California will soon start using satellite technology to track down methane and other greenhouse gas emissions that may otherwise go undetected from sites around the state, such as oil and gas operations, landfills and livestock facilities. Rob Nikolewski, Mercury News, 28 Mar. 2025 Listen to this article California will soon start using satellite technology to track down methane and other greenhouse gas emissions that may otherwise go undetected from sites around the state, such as oil and gas operations, landfills and livestock facilities. Rob Nikolewski, San Diego Union-Tribune, 28 Mar. 2025 Despite two wellness checks by the state’s Department of Children and Families and police visits in 2004, the alleged mistreatment went undetected. Alaa Elassar, CNN Money, 28 Mar. 2025 While raccoons typically move through the night trying hard to go undetected, one man finally captured a pack moving across power lines in Los Angeles in an epic video. Daniel R. Depetris, Newsweek, 24 Mar. 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 Apr. 2025.

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