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
Many of these wildlife products pass through airports and often go undetected, environmental advocates say.
—Jackie Flynn Mogensen, Scientific American, 7 June 2026
Because of their heavy use, vacuums can have short lifespans and develop issues that go undetected until that fateful day when a powerful odor fills your home.
—Jessica Safavimehr, Southern Living, 5 June 2026
Primordial black holes remain undetected and therefore hypothetical.
—Robert Lea, Space.com, 3 June 2026
And unlike drug addictions, problem gambling can more easily go undetected by friends and family members.
—Elisabeth Buchwald, CNN Money, 28 May 2026
See All Example Sentences for undetected
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Jackie Flynn Mogensen, Scientific American, 7 June 2026
Because of their heavy use, vacuums can have short lifespans and develop issues that go undetected until that fateful day when a powerful odor fills your home.
—Jessica Safavimehr, Southern Living, 5 June 2026
Primordial black holes remain undetected and therefore hypothetical.
—Robert Lea, Space.com, 3 June 2026
And unlike drug addictions, problem gambling can more easily go undetected by friends and family members.
—Elisabeth Buchwald, CNN Money, 28 May 2026
See All Example Sentences for undetected
Cite this Entry
“Undetected.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/undetected. Accessed 17 Jun. 2026.
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