un·​de·​tect·​ed ˌən-di-ˈtek-təd How to pronounce undetected (audio)
: 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 In speaking about those threats, Wray has repeatedly drawn attention to security gaps at the United States’ southern border, where thousands of people each week enter the country undetected. Graham Allison, Foreign Affairs, 10 June 2024 Panoche employees modified the leaking standpipe so it could be opened and closed, according to the plea agreement documents, allowing for water to be drawn from the Delta-Mendota Canal on demand and undetected. Jessica Garrison, Los Angeles Times, 28 May 2024 For centuries, a large stone chamber in its basement has gone undetected — until now. Brendan Rascius, Miami Herald, 24 May 2024 Too puny to be observed with a backyard telescope, Jupiter’s dusty wreath remained undetected for a long time. Shi En Kim, Smithsonian Magazine, 22 May 2024 See all Example Sentences for undetected 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'undetected.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

circa 1602, in the meaning defined above

Time Traveler
The first known use of undetected was circa 1602

Dictionary Entries Near undetected

Cite this Entry

“Undetected.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/undetected. Accessed 20 Jun. 2024.

More from Merriam-Webster on undetected

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