undetectable

adjective

un·​de·​tect·​able ˌən-di-ˈtek-tə-bəl How to pronounce undetectable (audio)
-dē-
: 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
undetectably adverb
an undetectably small change

Examples of undetectable in a Sentence

Recent Examples on the Web The thin, delicate material is undetectable under tight clothes and V-necks. Kate Watson, People.com, 18 Oct. 2024 That’s despite certain pregnancy complications being undetectable before 20 weeks. Joan Meiners, The Arizona Republic, 16 Oct. 2024 Results are trickling in, but early data from testing of kitchen faucets in public housing development Nickerson Gardens find 43 samples below five parts per billion and 27 samples with undetectable levels, according to data provided by the Housing Authority of the city of Los Angeles. Rebecca Plevin, Los Angeles Times, 5 Oct. 2024 Therefore, someone that's on an antiviral treatment has an undetectable viral load, doing very well on treatment, normal health. Dana Taylor, USA TODAY, 26 Sep. 2024 See all Example Sentences for undetectable 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'undetectable.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1863, in the meaning defined above

Time Traveler
The first known use of undetectable was in 1863

Dictionary Entries Near undetectable

Cite this Entry

“Undetectable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/undetectable. Accessed 31 Oct. 2024.

More from Merriam-Webster on undetectable

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