undetected
adjective
un·de·tect·ed
ˌən-di-ˈtek-təd 
-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
Mario SalvadoriExamples of undetected in a Sentence
Recent Examples on the Web
Conditions like silent high blood pressure, atrial fibrillation, or clotting disorders can also go undetected in people who appear otherwise healthy.
—Taayoo Murray, Essence, 27 May 2025
This results in phishing attacks hosted in legitimate SaaS applications going undetected, as they aren’t inspected.
—Anand Oswal, Forbes.com, 27 May 2025
An old version of the software had been installed and gone undetected, the team said.
—Jeff Gluck, New York Times, 22 May 2025
The copilot apparently had a previously undetected neurological condition, which caused the episode.
—Zach Wichter, USA Today, 19 May 2025
See All Example Sentences for undetected
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Taayoo Murray, Essence, 27 May 2025
This results in phishing attacks hosted in legitimate SaaS applications going undetected, as they aren’t inspected.
—Anand Oswal, Forbes.com, 27 May 2025
An old version of the software had been installed and gone undetected, the team said.
—Jeff Gluck, New York Times, 22 May 2025
The copilot apparently had a previously undetected neurological condition, which caused the episode.
—Zach Wichter, USA Today, 19 May 2025
See All Example Sentences for undetected
Cite this Entry
“Undetected.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/undetected. Accessed 2 Jun. 2025.
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