1
n deceit, dishonesty, dissimulation, double-dealing, duplicity, fabrication, falsity, fibbing, guile, mendacity, perjury, prevarication, untruthfulness
2
adj deceitful, dishonest, dissembling, double-dealing, false, guileful, mendacious, perfidious, treacherous, two-faced, untruthful
Antonyms
, adj candid, forthright, frank, honest, reliable, sincere, straight, straightforward, truthful, veracious