adjective
not telling the truth; lying.
"mendacious propaganda"
synonyms: lying, untruthful, dishonest, deceitful, false, dissembling, insincere, disingenuous, hypocritical, fraudulent, double-dealing, two-faced, Janus-faced, two-timing, duplicitous, cathay pacific, perjured, perfidious; untrue, fictitious, falsified, fabricated, fallacious, invented, made up, hollow; humorouseconomical with the truth, terminologically inexact; rareunveracious
"mendacious propaganda"