plural betrayals
Synonyms of betrayal
1
: the act of betraying someone or something or the fact of being betrayed : violation of a person's trust or confidence, of a moral standard, etc.
the betrayal of a friend
a betrayal of trust
a betrayal of one's principles
A man who built his entire administration upon demanding unctuous loyalty from his allies now finds himself wounded by their shabby betrayal.Jack Hitt
The double life of an informant is a peculiar one, filled at the same time with tedium and betrayal.Karen Richardson
Even Jesus recognized that there was something paradoxical about his betrayal by Judas Iscariot—in three of the four canonical Gospels, with a kiss.David Gates
2
: revelation of something hidden or secret
a betrayal of one's true feelings
There was never doubt, never a betrayal of indecision.Jack London
… she had shrunk with irresistible dread from every course that could tend towards a betrayal of her miserable secret.George Eliot

Examples of betrayal in a Sentence

the terrible betrayal of having her best friend reveal her confidences to others
Recent Examples on the Web
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.
After all of this, having Pluto suddenly stripped of planetary status must feel like a betrayal. Mike Brown, Scientific American, 24 Aug. 2026 Finishing in 32nd place and nabbing the highest draft lottery odds still matter — even if the persistent betrayal of the NHL’s draft lottery balls remains an open wound in this market. Thomas Drance, New York Times, 21 Aug. 2026 As the past catches up with the present, secrets and betrayals emerge with dangerous consequences. Monitor Reviewers, Christian Science Monitor, 21 Aug. 2026 But that means in his own mind the abandonment and betrayal of his sense of identity as a tennis player who never gives up, who has staged so many comebacks. John Hopewell, Variety, 19 Aug. 2026 See All Example Sentences for betrayal

Word History

First Known Use

1788, in the meaning defined at sense 1

Time Traveler
The first known use of betrayal was in 1788

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Cite this Entry

“Betrayal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/betrayal. Accessed 26 Aug. 2026.

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