as in treachery
the act or fact of violating the trust or confidence of another
the terrible betrayal of having her best friend reveal her confidences to others
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Recent Examples of betrayal
The series blends intense espionage, complex family dynamics, and moral ambiguity, revealing how loyalty and betrayal intersect in the high-stakes world of global intelligence.
—
Isabella Wandermurem, Time, 13 Aug. 2025
Americans will remember this betrayal on election day.
—Aliss Higham, MSNBC Newsweek, 13 Aug. 2025
According to a source, Nicholson had lied about his current drug use — a betrayal that deeply concerned Lawlor, who had previously supported him through sobriety.
—Danielle Bacher, People.com, 12 Aug. 2025
For some patients and families, the hospital's decision felt like a betrayal.
—Selena Simmons-Duffin, NPR, 1 Aug. 2025
See All Example Sentences for betrayal
Isabella Wandermurem, Time, 13 Aug. 2025
Americans will remember this betrayal on election day.
—Aliss Higham, MSNBC Newsweek, 13 Aug. 2025
According to a source, Nicholson had lied about his current drug use — a betrayal that deeply concerned Lawlor, who had previously supported him through sobriety.
—Danielle Bacher, People.com, 12 Aug. 2025
For some patients and families, the hospital's decision felt like a betrayal.
—Selena Simmons-Duffin, NPR, 1 Aug. 2025
See All Example Sentences for betrayal
Recent Examples of Synonyms for betrayal
Noun
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Thus far, this prosecution, and a corresponding case against the gang in Sacramento, have been rife with evidence of treachery and violence inside and outside of prison.—
Nate Gartrell,
Mercury News,
31 July 2025
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The six-parter, to debut July 14, follows six groups of friends, and six historical cases of murder and treachery among them.—
Etan Vlessing,
HollywoodReporter,
19 June 2025
Noun
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Zambada’s capture has led to a treason investigation in Mexico, since under Mexican law, treason includes kidnapping someone and shipping them to another country.—
John Annese,
New York Daily News,
5 Aug. 2025
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Tulsi Gabbard accused him of treason regarding Russian influence in previous presidential elections.—
Gabe Whisnant,
MSNBC Newsweek,
4 Aug. 2025
Cite this Entry
“Betrayal.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/betrayal. Accessed 22 Aug. 2025.
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