1. deception Deceit is the habit, deception the act; guile applies to the disposition out of which deceit and deception grow, and also to their actual practise. A lie, lying, or falsehood, is the Synonyms: deception, craft, dissimulation, finesse, lie, cunning, double-dealing, fraud, lying, deceit, duplicity, guile, prevarication, deceitfulness, fabrication, hypocrisy, trickery, delusion, falsehood, imposition, untruth Antonyms: candor, frankness, honesty, simplicity, truth, fair dealing, guilelessness, openness, sincerity, veracity