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

His tenure was upended by the arrest of Aldrich Ames, a CIA traitor. — Bob Drogin, Washington Post, 22 July 2026

In reality, the big debate has been about questions such as whether military bases should be named for traitors and whether governments should host monuments to a rebellion to defend slavery. — David A. Graham, The Atlantic, 21 July 2026

Those who opposed the coup, like Tom Keith's grandfather, are still often thought of as traitors, just as his distant relatives are. — Lee Cowan, CBS News, 12 July 2026

Irina and Raskova will enjoy a long, successful professional collaboration, purging Star City of traitors and threats and bringing down Petrovsky in a plot that leads to his ending his life in ignominy, having confessed to crimes against the state. — Sophie Brookover, Vulture, 10 July 2026