Synonyms of treachery

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

Synonyms & Similar Words

• betrayal
• treason
• deception
• perfidy
• disloyalty
• deceit
• infidelity
• backstabbing
• faithlessness
• abandonment
• lying
• falseness
• unfaithfulness
• double cross
• sellout
• falsity
• business
• two-timing
• duplicity
• desertion
• double-dealing
• guile
• fraud
• trickery
• informing
• two-facedness
• snitching
• talebearing

Antonyms & Near Antonyms

• loyalty
• allegiance
• fidelity
• devotion
• faithfulness
• fealty
• steadfastness
• reliability
• defense
• protection
• trustworthiness
• dependability
• staunchness
• shield
• safeguard

Example Sentences

Recent Examples of treachery

Witness was his 1952 manifesto on fellow-traveling American liberals and their treachery, which emboldened the Soviet Union. —Michael Kimmage, Foreign Affairs, 25 Feb. 2025

The songs typically crop up in the final act of an episode as the tensions (and treacheries) mount. —Mark Peikert, IndieWire, 13 Feb. 2025

After a season of treachery and deception, the winner or winners of The Traitors UK Season 3 have been revealed. —Armando Tinoco, Deadline, 24 Jan. 2025

This would be immediately followed by my dad standing up, racing over to my uncle, and sometimes grabbing him by the collar to stop him from completing an action that in their eyes seemed to be an act of utter betrayal and treachery. —Wayne Chan, San Diego Union-Tribune, 21 Jan. 2025