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undetectable

adjective

Definition of undetectablenext
as in imperceptible

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Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of undetectable Today, Prum takes medication to keep her HIV to undetectable levels in her body, preventing health complications. — Durrie Bouscaren, NPR, 6 Aug. 2026 Aguilar said treatment had suppressed the amount of the HIV virus in her husband’s blood to undetectable levels. — Vera Lucia Pappaterra, Miami Herald, 5 Aug. 2026 The best bras for older women address sagging, loss of volume, and other changes that come with aging, while remaining stylish and undetectable under clothing. — Jenny Berg, InStyle, 29 July 2026 Dioxins have a half-life in the body of seven to 11 years, according to the World Health Organization, and lead can also be undetectable in blood but still remain in the body, bound to bones, for decades. — Angus Chen, STAT, 22 July 2026 See All Example Sentences for undetectable
Recent Examples of Synonyms for undetectable
  1. imperceptible
  2. invisible
  3. indistinguishable
  4. inaudible
  5. intangible
Adjective
  • Behaviorists emphasized observable behavior, which could be measured experimentally, and generally avoided using imperceptible internal mental states to explain behavior.
    — Encyclopedia Britannica, Encyclopedia Britannica, 8 Sep. 2026
  • That nearly imperceptible shift in the winds drifting from the nearest football stadium?
    — Matt Piper, New York Times, 5 Sep. 2026
Definition of imperceptible
Adjective
  • The cost of our avoidance of clozapine is invisible but enormous, measured in people who stay sick, and in lives that end early, for want of a drug already sitting on the shelf.
    — Nitin Gogtay, STAT, 4 Sep. 2026
  • From the Golden Gate Bridge in San Francisco to the Burj Khalifa in Dubai, without a doubt, one of the most important aspects in their invisible architecture was the stress test.
    — Matthew Peters, Forbes.com, 4 Sep. 2026
Definition of invisible
Adjective
  • But most of the objects are in good or pristine condition, indistinguishable from equivalent items on the resale market.
    — Oscar Holland, CNN Money, 14 Sep. 2026
  • If ideas seem too abstruse, Ethan and Joe discuss them at length in rhetoric indistinguishable from pompous teenagers working through philosophical basics.
    — Vikram Murthi, IndieWire, 14 Sep. 2026
Definition of indistinguishable
Adjective
  • The question was not read in open court; Sullivan spoke with attorneys at sidebar about the request, and the discussion was inaudible to others in the courtroom.
    — Melina Khan, USA Today, 1 Sep. 2026
  • They are often seen during breaks chatting with one another, with their arms around one another’s shoulders during inaudible bench discussions.
    — Taylor Romine, CNN Money, 26 Aug. 2026
Definition of inaudible
Adjective
  • In early 2019, Philadelphia was one of six brands the company wrote down as the value of its intangible assets fell.
    — Amelia Lucas, CNBC, 15 Sep. 2026
  • Anderson, though, graded out at the very top of all of the Texans’ quantifiable and intangible evaluation areas.
    — Jourdan Rodrigue, New York Times, 11 Sep. 2026
Definition of intangible

Browse Nearby Words

undesired
undetectable
undetected
See all Nearby Words

Cite this Entry

“Undetectable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/undetectable. Accessed 20 Sep. 2026.

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