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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The story revels in the freedom to create, but the end result is so strictly bound to dramatic logic that such freedom is all but undetectable. Richard Brody, The New Yorker, 23 Oct. 2024 While almost undetectable, the orange juice adds sunniness to the sauce. Robin Miller, The Arizona Republic, 17 Oct. 2024 But in some cases, virus particles remain, often hidden and undetectable. Dave Wessner, Forbes, 11 Oct. 2024 Available in 20 shades, this creates a nearly undetectable tint with soft, stain-like finish. Iman Balagam, Vogue, 29 Oct. 2024 See all Example Sentences for undetectable 

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 23 Nov. 2024.

More from Merriam-Webster on undetectable

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!