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 drug first underwent human trials in 2023, where it was found to be safe and tolerable among patients, and reduced Lp(a) to undetectable levels for nearly one year.
—Jamie Ducharme, Health, 14 Apr. 2025
By doing so, the virus will drop to undetectable levels, restoring the CD4 count to where the body is better able to fight infection.6
There are currently over 25 antiretroviral agents used to control HIV.
—Anju Goel, Verywell Health, 22 Mar. 2025
Barry has since responded to chemotherapy and her tumor marker levels are undetectable.
—Karen Fratti, People.com, 29 Mar. 2025
While a person is taking these medications, their viral levels generally become so low as to be undetectable and untransmittable; if a person with HIV becomes sick with tuberculosis, the drugs increase their odds of survival dramatically.
—John Green, The Atlantic, 15 Mar. 2025
See All Example Sentences for undetectable
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Jamie Ducharme, Health, 14 Apr. 2025
By doing so, the virus will drop to undetectable levels, restoring the CD4 count to where the body is better able to fight infection.6
There are currently over 25 antiretroviral agents used to control HIV.
—Anju Goel, Verywell Health, 22 Mar. 2025
Barry has since responded to chemotherapy and her tumor marker levels are undetectable.
—Karen Fratti, People.com, 29 Mar. 2025
While a person is taking these medications, their viral levels generally become so low as to be undetectable and untransmittable; if a person with HIV becomes sick with tuberculosis, the drugs increase their odds of survival dramatically.
—John Green, The Atlantic, 15 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 29 Apr. 2025.
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