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.
As Arion’s victories turn him into a local legend, money, fame and betrayal threaten to destroy them both. Leo Barraclough, Variety, 31 Aug. 2026 For five seasons, Garner would star on Alias as Sydney Bristow, a secret agent continuously caught up in a series of lies and betrayals. Derek Lawrence, Entertainment Weekly, 31 Aug. 2026 Instead old habits, suspicions, anger and betrayal reign on both sides. Pam Kragen, San Diego Union-Tribune, 30 Aug. 2026 As a young Black woman, the betrayal stung as much as a rejection by any guy. Sarah Jones, Vogue, 29 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 2 Sep. 2026.

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