Synonyms of betrayer

betrayer

noun

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

Synonyms & Similar Words

• informer
• informant
• canary
• rat
• snitch
• reporter
• squealer
• stoolie
• tattletale
• tattler
• snitcher
• talebearer
• stool pigeon
• spy
• nark
• deep throat
• fink
• telltale
• rat fink
• leaker
• discloser
• gossiper
• whistleblower
• blabbermouth
• snoop
• notifier
• exposer
• tipster
• snooper
• gossip
• blabber

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

Synonyms & Similar Words

• traitor
• Judas
• turncoat
• quisling
• backstabber
• apostate
• snake
• serpent
• double-dealer
• double-crosser
• recreant
• conspirator
• collaborator
• subverter
• collaborationist
• renegade
• sellout
• intriguer
• informer
• informant
• deserter
• plotter
• schemer
• coconspirator
• defector
• snitch
• subversive
• accommodationist
• squealer
• gossiper
• tattletale
• talker
• tattler
• stool pigeon
• blabbermouth
• rat
• talebearer
• gossipmonger
• snitcher
• telltale
• gossip
• rumormonger

Example Sentences

Recent Examples of betrayer

The inferno that follows, as the betrayer’s dragon sets fire to both armies and then Tumbleton itself, will be rendered with both practical flames and CGI. — Jackson McHenry, Vulture, 10 Aug. 2026

Then go ahead and depict the country’s prime minister as the betrayer of Christ. — David Frum, The Atlantic, 21 May 2026

Lesch plays the savior’s anguished betrayer not as an intellectual equal who fiercely debates him and loses all patience with the movement. — Christopher Arnott, Hartford Courant, 3 May 2026

Judas, the betrayer of Jesus Christ, was believed to be the 13th Apostle to join the table at the Last Supper. — Chad Murphy, Cincinnati Enquirer, 13 Feb. 2026