Synonyms of traitor

traitor

noun

ˈtrā-tər 

as in betrayer

one who betrays a trust or an allegiance

accused by her family of being a traitor when she sold their traditionally animal-friendly business to a competitor known to use animals for testing its products

Synonyms & Similar Words

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

Example Sentences

Recent Examples of traitor

Harper suspects Bichette, after seven seasons in Toronto, won’t be treated as a traitor. — Mitch Bannon, New York Times, 29 June 2026

In other words, had become a traitor. — Helen I. Bennett, Hartford Courant, 26 June 2026

Just one more thing … this organization does not tolerate traitors! — Gina Kalsi, PEOPLE, 24 June 2026

Keep your actual and suspected traitors closer – the non-loyal, uncommitted, secretive, suspicious, dishonest, deceitful, chronically negative, and regularly undermining. — Peter D. Banko, Forbes.com, 18 June 2026