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.

Some ships have also transited Hormuz undetected: There have been reports that some ships have turned off their GPS-like signals and transited incognito, either for safety or because they are part of so-called shadow fleets.

From MarketWatch • Jun. 9, 2026

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

Investors got excited about companies that screen for undetected cancer, but the real money is in seeing if already-treated cancers are gone.

From The Wall Street Journal • May 14, 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

If undetected, it can lie dormant in the human body for years before erupting in a positive fiesta of maladies.

From "A Walk in the Woods" by Bill Bryson