undetected

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

WHO's Africa regional director Mohamed Yakub Janabi said Ebola had had a silent early phase, when symptoms resemble malaria or typhoid, meaning transmission can remain undetected.

From Barron's • May 22, 2026

A phishing email was used to launch the hack which allowed the cyber attackers to install malicious software and it remained undetected within the organisation's systems for 20 months.

From BBC • May 12, 2026

A higher threshold may reduce wrongful interventions but could allow legitimate threats to go undetected.

From Salon • May 12, 2026

Low-tech and disposable, drones are made almost entirely of common parts that easily enter and exit the swirl of global trade undetected.

From The Wall Street Journal • May 6, 2026

He was thinking that under such circumstances an electron might combine with a proton to form an uncharged, hitherto undetected compound particle he dubbed the neutron.

From "Big Science" by Michael Hiltzik