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
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
These technologies examine different aspects of digital content, including facial motions, audio discrepancies and tiny distortions that are frequently undetectable to the human eye.
—Rohan Pinto, Forbes, 27 Feb. 2025
Because carbon monoxide is undetectable without specialized detectors, prevention measures such as proper ventilation, regular maintenance of fuel-burning appliances, and the use of carbon monoxide alarms are crucial for safety.
—David Faris, Newsweek, 27 Feb. 2025
See All Example Sentences for undetectable
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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
These technologies examine different aspects of digital content, including facial motions, audio discrepancies and tiny distortions that are frequently undetectable to the human eye.
—Rohan Pinto, Forbes, 27 Feb. 2025
Because carbon monoxide is undetectable without specialized detectors, prevention measures such as proper ventilation, regular maintenance of fuel-burning appliances, and the use of carbon monoxide alarms are crucial for safety.
—David Faris, Newsweek, 27 Feb. 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 14 Apr. 2025.
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