undetectable
adjective
un·de·tect·able
ˌən-di-ˈtek-tə-bəl 
-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
Lauren J. LivoExamples of undetectable in a Sentence
Recent Examples on the Web
The sophisticated fraud techniques emerging today are virtually undetectable to the untrained eye, or ear.
—Kurt Knutsson, Cyberguy Report, FOXNews.com, 29 Mar. 2025
Subtle and undetectable on your own skin, famous perfumer Geza Schoen discovered this ingredient alone creates somewhat of an animal attraction to the wearer.
—Tanya Akim, Forbes, 21 Mar. 2025
The agency tested 95 acne products and found that the six products listed above contained elevated levels of benzene—more than 90% of the products tested had undetectable or extremely low levels of benzene.
—Amber Brenza, Health, 13 Mar. 2025
This initial test did not generate all of life’s prerequisites, but Meng notes that other important compounds might have been present at undetectable levels.
—Cody Cottier, Scientific American, 14 Mar. 2025
See All Example Sentences for undetectable
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Kurt Knutsson, Cyberguy Report, FOXNews.com, 29 Mar. 2025
Subtle and undetectable on your own skin, famous perfumer Geza Schoen discovered this ingredient alone creates somewhat of an animal attraction to the wearer.
—Tanya Akim, Forbes, 21 Mar. 2025
The agency tested 95 acne products and found that the six products listed above contained elevated levels of benzene—more than 90% of the products tested had undetectable or extremely low levels of benzene.
—Amber Brenza, Health, 13 Mar. 2025
This initial test did not generate all of life’s prerequisites, but Meng notes that other important compounds might have been present at undetectable levels.
—Cody Cottier, Scientific American, 14 Mar. 2025
See All Example Sentences for undetectable
Cite this Entry
“Undetectable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/undetectable. Accessed 11 Apr. 2025.
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