TREACHERY Synonyms: 43 Similar and Opposite Words

treachery

noun

ˈtre-chə-rē

Definition of treachery

as in betrayal

the act or fact of violating the trust or confidence of another was furious that she revealed his secret and never forgave her for the treachery

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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 treachery Inflamed by Ratansen’s adviser’s account of Padmavati’s beauty, Alauddin Khalji storms the fortress by treachery rather than valor. — Encyclopedia Britannica, 9 Apr. 2026 But Bateman's treachery also had a distinctly silly side. — Ryan Coleman, Entertainment Weekly, 8 Apr. 2026 Composure and confidence defined Marin’s victory as her competitor succumbed to the treachery of Amen Corner. — Gabby Herzig, New York Times, 4 Apr. 2026 Undocumented immigrants venture from Mexico, often underestimating of the treachery of the landscape. — Shi En Kim, AZCentral.com, 26 Mar. 2026 See All Example Sentences for treachery

Recent Examples of Synonyms for treachery

Noun

The extremely soapy, enjoyably satirical true-life drama chronicles love, rampant betrayal and a brazen murder plot through three decades of the iconic Gucci fashion house.

— Brian Truitt, USA Today, 28 Aug. 2026
That act of literary betrayal—the source of Kiyosaki’s fame and much of his wealth—is the enduring mystery of his life.

— Christopher Cox, Vanity Fair, 26 Aug. 2026

Definition of betrayal

Noun

In Russian law, treason is understood as a form of espionage—compromising or working against the Russian state to benefit a foreign power.

— Andrei Soldatov, Foreign Affairs, 31 Aug. 2026
Zambia’s main opposition leader was charged with treason and flown under armed guard to a maximum-security prison in a case that threatens to taint Lusaka’s image as a relatively stable southern African democracy.

— Tiisetso Motsoeneng, semafor.com, 31 Aug. 2026

Definition of treason

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treacherousness

treachery

tread

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“Treachery.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/treachery. Accessed 2 Sep. 2026.

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Synonyms of treachery

noun

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