How to Use insidious in a Sentence

insidious

adjective
  • Most people with this insidious disease have no idea that they are infected.
  • The first, and perhaps most insidious type of fear is in the sphere of our self.
    Nell Derick Debevoise, Forbes, 27 Feb. 2021
  • And the virus, as the Wall Street Journal put it, is insidious.
    Andrew Mark Miller, Washington Examiner, 17 Nov. 2020
  • This feeling is a form of self-doubt and one of the most insidious forms.
    Kevin Kruse, Forbes, 4 Oct. 2024
  • Even so, there are insidious flashes of wit to the way that M3GAN speaks.
    Owen Gleiberman, Variety, 4 Jan. 2023
  • The most insidious form of oppression is that which comes at the hands of your own.
    Janice Gassam Asare, Forbes, 28 Jan. 2022
  • The efforts were large and small, from the insidious to old-fashioned dirty tricks.
    Washington Post, 17 Feb. 2018
  • More insidious is moisture that opens the door to mildew.
    Popmech Editors, Popular Mechanics, 21 Nov. 2019
  • The story kind of starts to have this insidious effect on you.
    Roxanne Fequiere, ELLE, 5 Dec. 2022
  • That was what was so insidious about the process, Albury thought.
    New York Times, 1 Sep. 2021
  • In the calmest, most insidious way, Dorothy had been kidnapped.
    Hadley Meares, Los Angeles Magazine, 7 June 2018
  • With the insidious nature of this thing, any of us could fall victim.
    Gordon Monson, The Salt Lake Tribune, 14 Sep. 2020
  • Now the town is known for something much more insidious.
    Ann Killion, SFChronicle.com, 3 Aug. 2019
  • One of the most insidious parts of this, for me, has been that, on the days that are better, the physical relief cedes space to self-doubt.
    Anna Altman, The New Republic, 17 Feb. 2021
  • This recipe is more insidious because, Nadine points out, the ants walk all over it, then take it back to their nest.
    Isabel Garcia, House Beautiful, 7 Feb. 2020
  • The first is the ongoing insidious change to an ever-warmer world.
    Jim Williams, Star Tribune, 16 Feb. 2021
  • But this time, as one of the most racist and insidious laws ever created in this country was passed, the leagues slept.
    Mike Freeman, USA TODAY, 29 Mar. 2021
  • Eating ice would be just one of the many insidious symptoms that would take over my life throughout the next year.
    L'oréal Blackett, refinery29.com, 19 Sep. 2024
  • The twice-monthly mahjong game also fell victim to the insidious virus.
    oregonlive, 9 June 2021
  • But as many lives as this insidious virus has taken, and will take in the months to come, heart disease will inevitably take more.
    Fortune, 17 Nov. 2020
  • But there's a more subtle and insidious form of racist stereotyping that can be hard to pin down.
    Kristen Rogers, CNN, 5 June 2020
  • This insidious disease has touched every part of the globe.
    Apoorva Mandavilli New York Times, Star Tribune, 6 Aug. 2020
  • But the stories seemed to her more insidious and more familiar, too: The trope of the adulterous wife is as old as time.
    Mattie Kahn, New York Times, 23 Mar. 2024
  • Yet others thought that since most guys do the asking, this reinforced the norm of who pays in an insidious way.
    Santul Nerkar, New York Times, 14 Feb. 2024
  • Among the most insidious claims is that people won’t return to cities for years, if ever.
    Peter Kern, Fortune, 15 Mar. 2021
  • Even more insidious, the larva then forces its victim to drill a hole too small for its own escape.
    Andrew Forbes, National Geographic, 25 Jan. 2017
  • Second, and maybe even more insidious, is the mommy track thing.
    Emily Peck, Fortune, 17 Nov. 2021
  • But that does not make the anti-Asian hate speech online less insidious.
    New York Times, 19 Mar. 2021
  • The insidious condition has robbed the 86-year-old Howley of his memories for the last eight years.
    Dallas News, 9 Feb. 2023
  • Beyond the dangers of floodwaters and hurricane-force winds, people likely face many more insidious health risks in the aftermath of a storm.
    Justine Calma, The Verge, 2 Oct. 2024

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'insidious.' 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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