TREACHERY Synonyms: 43 Similar and Opposite Words

treachery

noun

ˈtre-chə-rē

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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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 treachery Undocumented immigrants venture from Mexico, often underestimating of the treachery of the landscape. —

Shi En Kim, AZCentral.com, 26 Mar. 2026 Jonathan Cute kept probing the murky realms between tourism and treachery. —

Adam Ciralsky, Vanity Fair, 19 Mar. 2026 After Thomas Hickey was hanged that year for mutiny, sedition and treachery, Washington warned that his fate should serve as a caution to all soldiers. —

Kim Hjelmgaard, USA Today, 26 Feb. 2026 With their leader detained, El Mayo’s sicarios, or hit men, declared war against supporters of Chapo’s sons in an attempt to exact vengeance for the treachery and strengthen their own position in the wider organization. —

Daniel Depetris, Mercury News, 26 Feb. 2026 See All Example Sentences for treachery

Recent Examples of Synonyms for treachery

Noun

But somewhere along the way, a portion of the WNBA ecosystem — fans, players and even some media members — started treating criticism as betrayal.

— Amber Harding OutKick, FOXNews.com, 14 May 2026
The sequel series is based on similar – and familiar – concepts of love, loyalty and betrayal, once again set in the mafia underworld.

— Jesse Whittock, Deadline, 14 May 2026