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 Without health workers in rural areas, outbreaks can go undetected for months, if not years. Time, 10 June 2021 These simple strategies could be especially helpful in rural India, where most cases and deaths go undetected because many rural communities lack infrastructure for testing and treatment. Shekhar Chandra, Scientific American, 9 June 2021 If a company isn't analyzing every single transaction in a dataset, risks will go undetected. Robin Grosset, Forbes, 4 June 2021 The peer review system was further flawed, investigators found, because the randomness of the samples allowed misdiagnoses to go undetected. Author: Lisa Rein, Anchorage Daily News, 2 June 2021 Among them: Cases may go undetected at times and in places with low coronavirus testing rates. Amina Khan, Los Angeles Times, 28 May 2021 The loss of the testing lab means that asymptomatic cases will go undetected even as doctors fear the virus is spreading at an accelerated pace. Steve Hendrix, Washington Post, 22 May 2021 The Mitchells, by luck and pluck, are the only ones to go undetected, a success owed less to their intelligence than their imperfections. Jake Coyle, Star Tribune, 28 Apr. 2021 Doctors are finding heart conditions and vascular diseases that have deteriorated rapidly without medical intervention, growing cancers that went undetected for months, and mental impairments that have grown more acute. Washington Post, 13 May 2021

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

14 Jun 2021

Cite this Entry

“Undetected.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/undetected. Accessed 23 Jun. 2021.

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English Language Learners Definition of undetected

: not noticed by anyone : not detected

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