betrayal

plural betrayals

1. countableuncountableThe act of betraying.

   But by the same token, an exclusive menu of betrayals is likely to be a starvation diet.

   1995 May 3, Robert Grudin, “Treasonable Matter”, in The New York Times, New York, N.Y.: The New York Times Company, →ISSN, →OCLC

   2 more examples

   The betrayal of our friends in Taiwan began with President Carter’s decision to terminate the mutual defense treaty with Taiwan that Congress had ratified in 1954.

   2005, Jesse Helms, Here's Where I Stand: A Memoir, New York: Random House, →ISBN, →LCCN, →OCLC, page 106

   One of our own has joined with the alien. If you see him, do not hesitate to let him know what the Roekaar think of this betrayal.

   2017, BioWare, Mass Effect: Andromeda (Science Fiction), Redwood City: Electronic Arts, →OCLC, PC, scene: Received message: A Traitor

   Synonyms: perfidiousness, perfidy, treacherousness, treachery, treason, breach of promise, breach of trust, double-dealing