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Synonyms

traitor

American  
[trey-ter] / ˈtreɪ tər /

noun

  1. a person who betrays another person, a cause, or any trust.

  2. a person who commits treason by betraying their country.

traitor British  
/ ˈtreɪtə /

noun

  1. a person who is guilty of treason or treachery, in betraying friends, country, a cause or trust, etc

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • traitorous adjective
  • traitorously adverb
  • traitorship noun
  • traitress noun

Etymology

Origin of traitor

First recorded in 1175–1225; Middle English from Old French from Latin trāditōr-, stem of trāditor “betrayer”; traditor

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.