Synonyms of treachery in English:

treachery


See definition of treachery

noun

1‘the damning evidence of her treachery’

SYNONYMS
betrayal, disloyalty, perfidy, perfidiousness, faithlessness, unfaithfulness, infidelity, bad faith, breach of trust, duplicity, deceit, deceitfulness, deception, false-heartedness, falseness, stab in the back, back-stabbing, double-dealing, untrustworthiness
treason
informal two-timing
rare Punic faith
ANTONYMS

loyalty, faithfulness