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 An Israeli airstrike on Iran on Friday damaged an air defense system, according to Western and Iranian officials, in an attack calculated to deliver a message that Israel could bypass Iran’s defensive systems undetected and paralyze them. Luis Ferré-Sadurní, New York Times, 20 Apr. 2024 There is also an unquantifiable number of undetected gotaways. SOURCE: U.S. Department of Homeland Security | Jacob Turcotte/Staff Some Republicans claim that Mr. Biden has let in as many as 8 million or 9 million migrants. Caitlin Babcock, The Christian Science Monitor, 16 Apr. 2024 That's one reason all eyes are on the war in Ukraine, where drones work as eyes in the sky to make undetected front-line maneuvers all but impossible. Frank Bajak, Quartz, 12 Apr. 2024 New research suggests that in up to 10 percent of cases where a patient is diagnosed with dementia, the problem is actually undetected liver disease, which can cause similar neurological symptoms, such as cognitive impairment and changes in mood and motor skills. Scott Lafee, San Diego Union-Tribune, 12 Mar. 2024 Republicans have argued that people who cross undetected pose a security threat. Sophie Carson, Journal Sentinel, 16 Feb. 2024 The burglars managed to break into the money storage facility completely undetected on Sunday, law enforcement sources said, noting that the first report of the theft was Monday morning. Leah Sarnoff, ABC News, 4 Apr. 2024 The Homeland Security statistics reviewed by Miami-Dade County don’t include people who crossed undetected between ports of entry, or those who came to the U.S. via immigration programs or to Florida on rickety boats. Verónica Egui Brito, Miami Herald, 23 Feb. 2024 This form of cancer often goes undetected because of normal skin color changes to the nails, especially in people of color, Vaughn said. Journal Sentinel, 16 Feb. 2024

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 2 May. 2024.

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