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.

If life exists on another world but remains undetected, policymakers could approve mining or other activities that unintentionally destroy it.

From Science Daily • Jun. 30, 2026

Rickettsia lanei bacteria cases could also have gone undetected for so long because some cases were not severe, she said.

From Los Angeles Times • Jun. 16, 2026

But this virus, which has killed around one in five of those known to have been infected, could have been spreading undetected for months.

From BBC • Jun. 15, 2026

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

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