Phocabulary - perfidy - Synonym: artifice, bunk, cheating, chicane, chicanery, corruption, craft, criminality, crookedness, cunning, deceit, double-dealing, duplicity, faithlessness, falsehood, falsity, flimflam*, fourberie, fraud, fraudulence, graft, guile, hanky-panky*, hocus-pocus*, improbity, infamy, infidelity, insidiousness, mendacity, perfidiousness, perfidy, racket, rascality, sharp practice, slyness, stealing, swindle, treachery, trickery, trickiness, unscrupulousness, wiliness - Antonym: fairness, frankness, honesty, openness, scrupulousness, sincerity, truthfulness - Photo Word of the Day to improve and enhance word memory. Beginner, intermediate, advanced words including definition, synonyms, and antonyms.