1
as in informer
a person who provides information about another's wrongdoing
the arrested drug dealer vowed that he would get his revenge on his betrayer
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2
as in traitor
one who betrays a trust or an allegiance
the betrayer of Anne Frank's family in Amsterdam has never been identified for certain
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Example Sentences
Recent Examples of Synonyms for betrayer
Noun
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The Ukrainian soldiers began to see Russian civilians as a hindrance — or worse, as potential informers who could give away their positions.—
Ekaterina Bodyagina Nanna Heitmann,
New York Times,
12 Feb. 2025 -
The arrests were part of wide-ranging Establishment attacks on the new generation of pop stars in Britain at the time, done through connivance with informers and a hostile conservative media.—
Bill Wyman,
Vulture,
30 Jan. 2025
Noun
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Gabbard repeatedly refused to call Snowden a traitor at the hearing.—
Justin Green,
Axios,
4 Feb. 2025
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Anyone who refuses to label a traitor to the U.S. as a traitor is completely unqualified to lead our intelligence community.—
David Faris,
Newsweek,
2 Feb. 2025
Noun
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Over six months, the office turned into a hub for nearly 20 hardcore criminals, bikers and gang members, as well as high-flying lawyers, businessmen and major contractors, all involved in tax fraud, disposal of contaminated soil, money laundering and sometimes even torture of informants.—
Annika Pham,
Variety,
14 Feb. 2025
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The investigation started with a tip from a confidential informant, police said.—
Nate Gartrell,
The Mercury News,
23 Jan. 2025
Noun
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This situation makes the NIH a golden goose for universities, and also a canary in a coal mine.—
Ian Bogost,
The Atlantic,
24 Jan. 2025
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In short, the Amazon is the planet’s canary in the coal mine—its health is directly tied to its survival.—
Michael Sheldrick,
Forbes,
19 Jan. 2025
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“Betrayer.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/betrayer. Accessed 22 Feb. 2025.
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