How to Use undetected in a Sentence

undetected

adjective
  • The lair goes undetected for six months.
    — Theoden Janes, Charlotte Observer, 10 Oct. 2025
  • This land is so big, so vast, that these stories go undetected for years and years.
    — Aaron Gilbreath, Longreads, 26 Feb. 2017
  • These species surround us in forests, coasts and cities, but so many of them go undetected.
    — Carlyn Kranking, Smithsonian Magazine, 24 Feb. 2023
  • If Lynch could do this undetected, who is to say no one else has done the same thing?
    — Adrian Walker, BostonGlobe.com, 3 Sep. 2019
  • His escape went undetected for more than an hour until guards took a head count.
    — Maryclaire Dale and Marc Levy, Anchorage Daily News, 12 Sep. 2023
  • There was no spate of undetected child abuse throughout the five boroughs.
    — Kendra Hurley, The New Republic, 18 Aug. 2021
  • There, it is believed Hardin was able to change and walk away from his post undetected.
    — Sean Neumann, People.com, 18 Aug. 2025
  • Lines of inquiry include whether the drones were launched from an undetected ship.
    — Peter Aitken, MSNBC Newsweek, 4 Dec. 2025
  • And an airship as large as two buses was not going to go undetected.
    — Josh Meyer, USA TODAY, 5 Feb. 2023
  • Nor did the slow leak — undetected for days and even weeks — result in mold growth, Fried said.
    — Susan Christian Goulding, Orange County Register, 1 May 2017
  • When a fighter is hit in the head, the brain damage often goes undetected.
    — T.j. English, WSJ, 6 June 2021
  • An old version of the software had been installed and gone undetected, the team said.
    — Jeff Gluck, New York Times, 22 May 2025
  • The hack went undetected for years, according to the timeline on the blog post.
    — William Turton, Fortune, 1 June 2023
  • Those are often caused by undetected long-term metal fatigue in the fan blades.
    — Dominic Gates, Anchorage Daily News, 24 Aug. 2022
  • Meeting rooms so small, some players sat in the hall (and some preferred those seats to sleep undetected).
    — Dave Hyde, sun-sentinel.com, 17 June 2021
  • Some of this damage may go undetected until the ice thaws in spring and water begins to leak.
    — Louise Parks, Martha Stewart, 21 Jan. 2026
  • Scientists say most ship strike deaths go undetected because the whales sink to the bottom of the ocean.
    — Ben Tracy, CBS News, 21 Feb. 2023
  • Their goal is to remain undetected.
    — Atharva Gosavi, Interesting Engineering, 23 June 2026
  • This suggests that there are many more asymptomatic cases that have gone undetected in the area.
    — Erika Edwards, NBC News, 16 Aug. 2022
  • The limited testing for the virus has raised fears that many more are going undetected.
    — Motoko Rich, New York Times, 26 Mar. 2020
  • Compare this with the 200 plus days such an attack can go undetected.
    — Matt Kimball, Forbes, 22 June 2021
  • The condition, in which the coronary artery is in the wrong place, often goes undetected.
    — Washington Post, 29 Jan. 2022
  • For the most part, I was undetected until someone started putting my name out there.
    — Rebecca Jennings, Vulture, 11 Feb. 2026
  • The Bundibugyo strain spread undetected for at least a few weeks, health experts and aid workers said.
    — Jean-Yves Kamale, Los Angeles Times, 18 May 2026
  • The pollution, which went undetected for years, is linked to cancer cases and deaths across the city's south side.
    — Devin Dwyer, ABC News, 10 Aug. 2021
  • The tests only sample a small part of each crop, so mold may grow undetected and may sicken those who eat it or inhale its spores.
    — Robert McCoppin, chicagotribune.com, 1 Jan. 2022
  • The formula is scent-free and, for the most part, goes undetected (while still nourishing the skin).
    — Jessie Quinn, Peoplemag, 18 Jan. 2024
  • Most of the early cases listed were not serious, which is why many of them may have gone undetected for so long.
    — Rich Exner, cleveland, 11 June 2020
  • Over 400 crannog sites are recorded, with many more no doubt lying undetected.
    — Carlton Reid, Forbes.com, 25 Aug. 2025
  • That there was no plume reaching anywhere near the surface could be a reason that the volcano went undetected.
    — David Grossman, Popular Mechanics, 22 May 2019

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'undetected.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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