Search Dictionary
Definition of betrayer

betrayer

/bɪˈtreɪ.ər/
be · tray · er
Plural:betrayers
JUMP TO:

betrayer Lexical Profile

betrayer Game Scores & Validity

• noun

1

A person who is disloyal to a friend, group, or country by violating their trust or revealing confidential information to an rival or authority.

Example

"In the historical drama, the nobleman is exposed as the betrayer who secretly passed the council's plans to a rival kingdom."

Synonyms
View all synonyms for betrayer
Antonyms
View all antonyms for betrayer

• Rhymes for betrayer

• Nearby Words

betel
betray
betrayal
betrayer
betroth
betrothal
betrothed

Word Origin & Etymology

Formed in Middle English from the verb 'betray' plus the agentive suffix '-er'. The base verb combines the Old English intensifying prefix 'be-' with Old French 'trair' (to betray), which ultimately derives from the Latin 'tradere', meaning 'to hand over or deliver'.

Cite this Entry

Wordmom. (2026). Definition of Betrayer. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/betrayer
Built for writers, students, and competitive word game players, Wordmom combines an uncluttered English dictionary and thesaurus with fast, pattern-based word finders so you can verify definitions, synonyms, and high-scoring tile plays in one place.
Word Games & Solvers
Word FinderScrabble Word FinderWords With Friends CheatWordle SolverAnagram Solver
Dictionary & Reference
DictionarySynonymsAntonymsWords
Community
Contact UsEditorial PolicyPrivacy PolicyTerms and Conditions
© 2016–2026 Wordmom Network. All rights reserved. Made with for word lovers everywhere.
Disclaimer: SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A. and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro. Words With Friends® is a registered trademark of Zynga Inc. Wordle® is a registered trademark of The New York Times Company. Other referenced game titles and tournament lexicon codes (including NASPA NWL and WESPA/HarperCollins CSW) are trademarks of their respective owners. Wordmom is an independent reference utility for educational and entertainment purposes and is not affiliated with, sponsored by, or endorsed by Hasbro, Mattel, Spear, Zynga, The New York Times Company, NASPA, WESPA, or HarperCollins Publishers. All game names are referenced strictly under nominative fair use to indicate compatibility.