treachery (noun) treachery: disloyalty, dishonesty
Sinonime: betrayal, bunco,
corruption, dirty dealing, dirty pool, dirty trick, dirty work, disaffection,
dodge, double-cross, double-dealing,
duplicity, faithlessness,
fake, falseness, fast shuffle, flimflam, grift, gyp,
infidelity, perfidiousness, perfidy, put-on, racket, recreancy,
scam*, sellout, shell game, skin game, spoof, stab in the back, sweet talk, treacherousness,
treason, two-timing, whitewash
Antonime: constancy,
devotion, faithfulness,
fidelity,
honesty,
love,
loyalty