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Synonyms

undetected

British  
/ ˌʌndɪˈtɛktɪd /

adjective

  1. not perceived, noticed, or discovered

    the fake bomb passed undetected

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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.

See Examples For:

In July, Paris’s Museum of Natural History suffered an undetected cyberattack that disabled its alarm and surveillance systems, police said.

From The Wall Street Journal ● Oct. 15, 2026

US regulators have published a consent order requiring Bank of America to work with a third party to identify and report suspicious transactions that went undetected.

From Barron's ● Oct. 13, 2026

According to the authors, this approach can result in hypertension remaining undetected, untreated, or insufficiently controlled.

From Science Daily ● Oct. 2, 2026

That doesn’t necessarily make Zoe Kazan’s version more sympathetic to the woman Steinbeck defined as the kind of monster that moves undetected through the world all their lives.

From Salon ● Sep. 4, 2026

“He is the organizer of half that is evil and of nearly all that is undetected in this great city,” Holmes said.

From "The Mona Lisa Vanishes" by Nicholas Day

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