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
People who use antiretroviral medications can reduce the viral load of HIV in the body to undetectable levels, which can stop them from passing it to others.
—Melissa Fleur Afshar, MSNBC Newsweek, 5 June 2025
His goal is to make any alterations as undetectable as possible.
—Alyssa Goldberg, USA TODAY, 11 Mar. 2025
Odor repellents, usually sprays, contain ingredients that smell like sulfur to rabbits but are undetectable to humans.
—Mary Marlowe Leverette, Southern Living, 21 May 2025
The volcano is remote enough that even a strong eruption would be undetectable on land.
—Denise Chow, NBC news, 8 May 2025
See All Example Sentences for undetectable
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Melissa Fleur Afshar, MSNBC Newsweek, 5 June 2025
His goal is to make any alterations as undetectable as possible.
—Alyssa Goldberg, USA TODAY, 11 Mar. 2025
Odor repellents, usually sprays, contain ingredients that smell like sulfur to rabbits but are undetectable to humans.
—Mary Marlowe Leverette, Southern Living, 21 May 2025
The volcano is remote enough that even a strong eruption would be undetectable on land.
—Denise Chow, NBC news, 8 May 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 15 Jun. 2025.
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