Treachery Definition

trĕchə-rē
treacheries
noun
treacheries
Betrayal of trust, faith, or allegiance; perfidy, disloyalty, or treason.
Webster's New World
An act of perfidy or treason.
Webster's New World

The act of violating the confidence of another, usually for personal gain.

Wiktionary

Other Word Forms of Treachery

Noun

Singular:
treachery
Plural:
treacheries

Origin of Treachery

  • From Middle English trecherie, from Old French tricherie, trecherie, from tricher, trichier (“to cheat"), from Middle Dutch trek (“a trick"), from trekken (“to draw, play a trick on"). More at trick.

    From Wiktionary

  • Middle English trecherie from Old French from trichier to trick probably from Vulgar Latin triccāre trick

    From American Heritage Dictionary of the English Language, 5th Edition

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