Treachery definition

trĕchə-rē

Words form:

Frequency:

Willful betrayal of fidelity, confidence, or trust; perfidy.

noun

The act or an instance of such betrayal.

noun

Treachery is a betrayal of trust.

An example of treachery is when you cheat on your wife with her best friend.

noun

Deliberate, often calculated, disregard for trust or faith.

noun

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

noun

noun

Betrayal of trust, faith, or allegiance; perfidy, disloyalty, or treason.

noun

An act of perfidy or treason.

noun

Other Word Forms

Singular:

treachery

Plural:

treacheries

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
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