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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:

Maritime-data company Windward said Tuesday that it recorded no oil tankers crossing Hormuz on Monday in either direction, with some ships crossing undetected carrying Iranian crude for China.

From MarketWatch Jul. 29, 2026

They added: "If we discover a product was undetected by our automated checks, we address the issue immediately and refine our controls."

From BBC Jul. 28, 2026

I experience everything as you would, and so far, at least, I have gone undetected.

From The Wall Street Journal Jul. 24, 2026

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

It was a note, and it read: New CC was testing for undetected Ys, Os, Rs.

From "The Darkest Minds" by Alexandra Bracken

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