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 That means even a clump large enough to play the role of a gravitational lens would be undetectable. — Robert Lea, Space.com, 19 Aug. 2026 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 See All Example Sentences for undetectable
Recent Examples of Synonyms for undetectable
  1. imperceptible
  2. invisible
  3. indistinguishable
  4. inaudible
  5. intangible
Adjective
  • Through a meditative duet between the performer’s cognition and their autonomic nervous system, activities that were largely imperceptible to an outside observer became known to the performer.
    — Sophie Landres, Artforum, 1 Oct. 2026
  • Meta offers a virtually imperceptible edge in sharpness—37 pixels per degree compared with Apple's 34—but Apple's broader view and sheer pixel count give it the clear win.
    — Will Greenwald, PC Magazine, 30 Sep. 2026
Definition of imperceptible
Adjective
  • They were rendered invisible in the dominant discourse, their deaths acceptable costs in a game of power politics and conquest.
    — Literary Hub, Literary Hub, 2 Oct. 2026
  • The rich cinematic imagery and sound give new forms to the often complex and invisible realities of climate change.
    — Georg Szalai, HollywoodReporter, 2 Oct. 2026
Definition of invisible
Adjective
  • Even after much tribulation, the researchers were finally able to test if photons traveling through the instrument’s circuits were indistinguishable.
    — Ameya Paleja, Interesting Engineering, 28 Sep. 2026
  • Inside the brain, physical and social pain are nearly indistinguishable.
    — George Loewenstein, Vogue, 28 Sep. 2026
Definition of indistinguishable
Adjective
  • That 7dBA output is practically inaudible—quieter than rustling leaves (around 20dBA) and well below the 25dBA to 30dBA ambient floor of a quiet library or nighttime bedroom.
    — Brian Westover, PC Magazine, 1 Oct. 2026
  • After 10 loud snores and two that were nearly inaudible, all movement ceased.
    — MICHAEL GRACZYK, Arkansas Online, 24 Sep. 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 4 Oct. 2026.

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