un·​de·​tect·​ed | \ ˌən-di-ˈtek-təd How to pronounce undetected (audio) , -dē- \

Definition of undetected

: 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 Apart from history, students also learn traditional fighting and survival skills, including basic martial arts and how to traverse mountainous areas while remaining undetected. Yoko Wakatsuki And Nectar Gan, CNN, "Meet the Japanese man who holds the world's only master's degree in ninja studies," 30 June 2020 Early in the pandemic, only people showing symptoms were able to receive diagnostic tests, so asymptomatic cases went undetected. Cassidy Morrison, Washington Examiner, "Governors pause reopening amid coronavirus surge," 25 June 2020 And nearly 1 in 3 people tested overall have turned up positive, according to the WHO's Ryan, who said the startlingly high number suggests cases are going either unreported or undetected because of a low rate of testing. Anchorage Daily News, "Surging US coronavirus infections raise fear that progress is slipping," 23 June 2020 And, Not My Son’s supporters say, real change would include a registry of police so officers with records of misconduct can’t hop from department to department undetected. Dana Branham, Dallas News, "How Dallas’ new Not My Son organization is making protesters’ voices heard as it calls for police accountability," 21 June 2020 The virus can remain undetected inside the human body for so long partly because its genome produces proteins that delay our immune system from sounding an alarm. Mark Fischetti, Scientific American, "A Visual Guide to the SARS-CoV-2 Coronavirus," 16 June 2020 Most of the early cases listed were not serious, which is why many of them may have gone undetected for so long. Rich Exner, cleveland, "State now identifies 302 cases pre-dating first confirmations of coronavirus in Ohio March 9," 11 June 2020 There might have been undetected traces of radioactive tritium (a version of hydrogen with two neutrons) in XENON1T, causing the surrounding liquid to sparkle. Rafi Letzter, Scientific American, "Physicists Announce Potential Dark Matter Breakthrough," 17 June 2020 The code of silence among police officers that allows bad cops to remain and go undetected must end. Indianapolis Star, The Indianapolis Star, "What prominent community members say should be done to make Indiana better for everyone," 17 June 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'undetected.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of undetected

circa 1602, in the meaning defined above

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Time Traveler for undetected

Time Traveler

The first known use of undetected was circa 1602

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Statistics for undetected

Last Updated

7 Jul 2020

Cite this Entry

“Undetected.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/undetected. Accessed 8 Jul. 2020.

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More Definitions for undetected


How to pronounce undetected (audio)

English Language Learners Definition of undetected

: not noticed by anyone : not detected

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