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
As a result, patients with Ebola initially tested negative, allowing transmission to continue undetected for critical weeks.
—
Krutika Kuppalli,
STAT,
1 July 2026
In investing, one undetected liability can wipe away years of value creation.
—
Julian Hayes Ii,
Forbes.com,
1 July 2026
Strengthening Baltic defenses The A26 submarine is built to support multi-domain naval operations by combining stealth with the ability to collect intelligence while remaining undetected.
—
Neetika Walter,
Interesting Engineering,
29 June 2026
Tel Aviv — The small drones cruise – undetected – over the skies of southern Lebanon and northern Israel, searching for targets.
—
Jeremy Diamond,
CNN Money,
28 June 2026
See All Example Sentences for undetected
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Krutika Kuppalli,
STAT,
1 July 2026
In investing, one undetected liability can wipe away years of value creation.
—
Julian Hayes Ii,
Forbes.com,
1 July 2026
Strengthening Baltic defenses The A26 submarine is built to support multi-domain naval operations by combining stealth with the ability to collect intelligence while remaining undetected.
—
Neetika Walter,
Interesting Engineering,
29 June 2026
Tel Aviv — The small drones cruise – undetected – over the skies of southern Lebanon and northern Israel, searching for targets.
—
Jeremy Diamond,
CNN Money,
28 June 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 6 Jul. 2026.
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