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
When the right treatment is available, people can live a normal life with HIV and have an undetectable viral load.
—Hannah Millington, MSNBC Newsweek, 26 Aug. 2025
Within a year, 16 participants saw their virus rebound and resumed treatment — but four remained in remission, with undetectable viral loads.
—David Cox, NPR, 25 Aug. 2025
Their flavor is almost undetectable when blended with other ingredients.
—Chelsea Rae Bourgeois, Health, 20 Aug. 2025
The damage from the fire was undetectable from outside the restaurant.
—Rick Hurd, Mercury News, 19 Aug. 2025
See All Example Sentences for undetectable
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Hannah Millington, MSNBC Newsweek, 26 Aug. 2025
Within a year, 16 participants saw their virus rebound and resumed treatment — but four remained in remission, with undetectable viral loads.
—David Cox, NPR, 25 Aug. 2025
Their flavor is almost undetectable when blended with other ingredients.
—Chelsea Rae Bourgeois, Health, 20 Aug. 2025
The damage from the fire was undetectable from outside the restaurant.
—Rick Hurd, Mercury News, 19 Aug. 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 10 Sep. 2025.
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