as in underhandedness
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Recent Examples of Synonyms for insidiousness
Noun
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As Derya and Aziz’s hypocrisies, as upper-class intellectuals, are increasingly brought to the fore, Namal and Biçer’s conversational performances grow haggard and strained.—
Siddhant Adlakha,
Variety,
13 Feb. 2026 -
When Bondi replied by accusing her of hypocrisy over a lack of similar questioning toward former Attorney General Merrick Garland, Jayapal interjected, trying to force an apology.—
Brady Knox,
The Washington Examiner,
11 Feb. 2026
Noun
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Like the tricksters of myth, there’s depth to their slyness.—
Big Think,
Big Think,
5 Feb. 2026
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Ay, the superb slyness of that last response!—
Anthony Lane,
New Yorker,
8 Sep. 2025
Noun
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More recently, an al Qaeda operative and suspected mastermind behind the 2000 USS Cole bombing — in which suicide bombers sidled up alongside a US warship, waved to the sailors and then detonated explosives — was charged with perfidy, among other crimes.—
Harmeet Kaur,
CNN Money,
21 Jan. 2026
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The report has raised concerns of perfidy, an act of deception by military forces.—
Jenna Prestininzi,
Freep.com,
13 Jan. 2026
Noun
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Despite his layered duplicity, Jonathan understands and defines himself by courting risk.—
Emily Zemler,
Los Angeles Times,
11 Jan. 2026
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Morgan Freeman’s Thaddeus shows up, still twinkling with duplicity.—
Owen Gleiberman,
Variety,
11 Nov. 2025
Noun
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Just like the ClickFix attacks, this malicious trickery is all about running commands that almost all users would never think to do in normal circumstances.—
Zak Doffman,
Forbes.com,
29 Jan. 2026
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While there’s a little studio trickery, like a drum part taped at a slower tempo but sped up to the BPM in the recording, the rest was due to a perspective shift.—
Nina Corcoran,
Pitchfork,
29 Jan. 2026
Noun
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Comte’s feature directorial debut follows Quebec teenager Antoine, who travels to Ghana for a showdown with Kojo, a local gang member, amid an escalating game of deception.—
Etan Vlessing,
HollywoodReporter,
16 Feb. 2026
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The Portage case is different, as the subcontractor and his co-conspirators are accused of deception in their failure to deliver the televisions to warehouses.—
Jim Woods,
Chicago Tribune,
15 Feb. 2026
Noun
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The crunchy Larkin Poe album embodies the musical slipperiness of Americana as an ideal, a carefree cruise through country, blues, rock, and soul; the Molly Tuttle album brims with the rustic zest of early Sheryl Crow.—
Craig Jenkins,
Vulture,
30 Jan. 2026
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Still, her slipperiness was something that attracted the actor.—
Los Angeles Times,
Los Angeles Times,
26 Jan. 2026
Noun
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The term plant texture refers to the fineness or coarseness, roughness or smoothness, heaviness or lightness of a particular plant.—
David Beaulieu,
The Spruce,
15 Feb. 2026
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Those are big shoes to fill, but Mero has stepped into them with his customary smoothness, quickly injecting a millennial POV into the airwaves alongside co-hosts Shani Kulture, Miabelle, Kazeem Famuyide, and DJ Kast One.—
Jeff Ihaza,
Rolling Stone,
10 Feb. 2026
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“Insidiousness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/insidiousness. Accessed 20 Feb. 2026.
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