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 Tager explained that the process involved mending the canvas, then treating the layers of paint to ensure that the damage was undetectable. — News Desk, Artforum, 9 June 2026 As a result, drinking fountains that averaged over 58 parts per billion were lowered to undetectable levels of lead. — Christiana Freitag, Chicago Tribune, 8 June 2026 However, undetectable cancer cells often remain in the body, so additional treatments are needed to find and eliminate these cells. — Kaitlin Sullivan, NBC news, 1 June 2026 Kerley was in a line of six runners who had to be called out of the blocks three times — an energy sapper — first for a sprinter to re-tie his shoe, then twice more when the false-start signal went off, but early motion was, apparently, undetectable and nobody was disqualified. — Los Angeles Times, 25 May 2026 See All Example Sentences for undetectable
Recent Examples of Synonyms for undetectable
  1. imperceptible
  2. invisible
  3. indistinguishable
  4. inaudible
  5. intangible
Adjective
  • The contact was imperceptible to the naked eye, but a space-age sensor in the ball had confirmed it.
    — Los Angeles Times, Los Angeles Times, 12 July 2026
  • The tool, developed by independent AI engineer Luke Geel, analyzes past results and players’ activity—from posture to blink rate—spotting connections that might be imperceptible to the average viewer but visible to top pros.
    — Jacob Feldman, Sportico.com, 3 July 2026
Definition of imperceptible
Adjective
  • Haaland was subbed out late after only two shots and one on goal, arguably the biggest star of this World Cup all but invisible.
    — Miami Herald, Miami Herald, 12 July 2026
  • Basically, the fact that zinc did not always agree with carbon and nitrogen suggests that δ66Zn may be sensitive to ecological processes that are invisible to traditional tracers (offering a complementary lens rather than a replacement).
    — Melissa Cristina Márquez, Forbes.com, 11 July 2026
Definition of invisible
Adjective
  • In its final form, a CPN chapter was visually indistinguishable from a haiku, the white space between words packed tightly with meaning.
    — Literary Hub, Literary Hub, 13 July 2026
  • The agent's output, grounded in model predictions rather than raw metrics, beat the baseline on every dimension physicians scored, and its ratings were statistically indistinguishable from summaries built on actual ground truth.
    — Josipa Majic Predin, Forbes.com, 10 July 2026
Definition of indistinguishable
Adjective
  • If these systems are ever brought to market, the characteristic sound of an espresso machine could be replaced by the inaudible vibrations of ultrasound.
    — Javier Carbajal, Wired News, 20 June 2026
  • However, moving the microphone just 2 inches (51 mm) away from the center of the sound spot reduced the volume by up to 50 decibels, making the audio nearly inaudible.
    — New Atlas, New Atlas, 14 June 2026
Definition of inaudible
Adjective
  • Intellectual property assets – like patents, trademarks and other types of intangible property – have been appreciating at a much faster pace than physical investments in recent years.
    — Tobias Burns, CNBC, 13 July 2026
  • Then Bastian added that the games may have had an intangible benefit.
    — Ted Reed, Forbes.com, 11 July 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 19 Jul. 2026.

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