undetectable

adjective
un·​de·​tect·​able | \ ˌən-di-ˈtek-tə-bəl How to pronounce undetectable (audio) , -dē-\

Definition of undetectable

: unable to be detected : impossible to discover or notice : not detectable an almost undetectable change undetectable traces of poison Signs of life may be so minimal as to be undetectable by modern instruments …— Lauren J. Livo

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Other Words from undetectable

undetectably \ ˌən-​di-​ˈtek-​tə-​blē How to pronounce undetectably (audio) , -​dē-​ \ adverb
an undetectably small change

Examples of undetectable in a Sentence

Recent Examples on the Web

Scientists had used a specialized camera system developed by Widder called The Medusa, which uses red light undetectable to deep sea creatures and has allowed scientists to discover new species and observe other elusive ones. The Washington Post, al.com, "Giant squid spotted in Gulf of Mexico in rare video," 24 June 2019 Scientists had used a specialized camera system developed by Widder called The Medusa, which uses red light undetectable to deep sea creatures and has allowed scientists to discover new species and observe other elusive ones. Author: Kayla Epstein, Anchorage Daily News, "Scientists capture historic video of a giant squid," 24 June 2019 The model suggested that the missing baryons were likely wafting about in the form of diffuse (and at the time undetectable) gas between galaxies. Quanta Magazine, "A Short History of the Missing Universe," 19 Sep. 2018 Scientists had used a specialized camera system developed by Widder called The Medusa, which uses red light undetectable to deep sea creatures and has allowed scientists to discover new species and observe other elusive ones. The Washington Post, al.com, "Giant squid spotted in Gulf of Mexico in rare video," 24 June 2019 Scientists had used a specialized camera system developed by Widder called The Medusa, which uses red light undetectable to deep sea creatures and has allowed scientists to discover new species and observe other elusive ones. Author: Kayla Epstein, Anchorage Daily News, "Scientists capture historic video of a giant squid," 24 June 2019 Scientists had used a specialized camera system developed by Widder called The Medusa, which uses red light undetectable to deep sea creatures and has allowed scientists to discover new species and observe other elusive ones. The Washington Post, The Mercury News, "Scientists capture historic video of a giant squid," 23 June 2019 Scientists had used a specialized camera system developed by Widder called The Medusa, which uses red light undetectable to deep sea creatures and has allowed scientists to discover new species and observe other elusive ones. nola.com, "Watch: Rare video of giant squid in Gulf of Mexico’s ‘midnight zone’," 23 June 2019 His national name recognition is respectable, but his support is undetectable. Mona Charen, National Review, "The Progressive Business of Extirpating Whiteness," 14 June 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'undetectable.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of undetectable

1863, in the meaning defined above

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Statistics for undetectable

Last Updated

15 Jul 2019

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Time Traveler for undetectable

The first known use of undetectable was in 1863

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More Definitions for undetectable

undetectable

adjective

English Language Learners Definition of undetectable

: impossible to discover or notice : not detectable

More from Merriam-Webster on undetectable

Rhyming Dictionary: Words that rhyme with undetectable

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