Treachery

Noun

 * 1) Deliberate, often calculated, disregard for trust or faith.
 * 2) The act of violating the confidence of another, usually for personal gain.
 * 3) Treason.

Synonyms

 * treacherousness

Related terms

 * treacher
 * treacherous
 * trick
 * trickster
 * tricky

Adjectives for Treachery
cruel; meditated; base; subtle; signal; bitter.

Verbs for Treachery
condemn—; court-martial for—; disclose—; denounce—; expose—; fear—; frame—; plot—; resort to—; screen—; shroud—; stoop to—; suspect—; uncover—; untangle —; veil—; —baits; —beguiles; —betrays; —debases; —deceives; —decoys; —deludes;—dishonors; —disillusions; —engulfs; — lures; —lurks; —pollutes; —snares; — stains; —sullies.

Thesaurus
Machiavellianism, ambidexterity, artifice, bad faith, cunning, danger, deceitfulness, desultoriness, dirty pool, dirty trick, dirty work, dishonesty, disloyalty, double cross, double-dealing, doubleness, doubleness of heart, duplicity, faithlessness, falseheartedness, falseness, foul play, hazard, improbity, infirmity, insecurity, insolidity, instability, insubstantiality, low cunning, perfidiousness, perfidy, peril, perilousness, precariousness, risk, riskiness, sellout, shakiness, shiftiness, shiftingness, slipperiness, speculativeness, ticklishness, treacherousness, treason, two-facedness, unauthenticity, unauthoritativeness, undependability, unfaithworthiness, unreliability, unsolidity, unsoundness, unsteadfastness, unsteadiness, unsubstantiality, unsureness, untrustworthiness, wile

Etymology
From trecherie: from  tricherie:, trecherie: from tricher:, trichier:, of  origin, from  trek: from trekken:. More at trick.

Translations

 * Italian: tradimento