| Treachery (n.) Violation of allegiance or of faith and confidence; treasonable or perfidious conduct; perfidy; treason. Thesaurus Entries 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 |