treachery

treach·ery

noun \-rē\

plural treach·er·ies

Definition of TREACHERY

1

: violation of allegiance or of faith and confidence : treason

2

: an act of perfidy or treason

Examples of TREACHERY

1. a tale of treachery and revenge
2. <was furious that she revealed his secret and never forgave her for the treachery>

Origin of TREACHERY

Middle English trecherie, from Anglo-French, from trecher, tricher to deceive, from Vulgar Latin *triccare — more at trick

First Known Use: 13th century

Related to TREACHERY

Synonyms: backstabbing, business, disloyalty, double cross, faithlessness, falseness, falsity, infidelity, perfidy, sellout, betrayal, treason, two-timing, unfaithfulness

Antonyms: allegiance, devotion, faithfulness, fealty, fidelity, loyalty, staunchness, steadfastness

Related Words: abandonment, desertion; deceit, deception, double-dealing, duplicity, guile, two-facedness; fraud, informing, lying, snitching, talebearing, trickery

Near Antonyms: dependability, reliability, trustworthiness; defense, protection, safeguard, shield

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Rhymes with TREACHERY

lechery