mendacity

1 a statement known by its maker to be untrue and made in order to deceive <highly fictionalized “memoirs” in which the facts were few and the mendacities many> Synonyms fable, fabrication, fairy tale, falsehood, falsity, fib, lie, prevarication, story, tale, taradiddle (or tarradiddle), untruth, whopperRelated Words distortion, exaggeration, half-truth; ambiguity, equivocation, obliquity; defamation, libel, slander; perjury; bluff, fiction, pose, pretense (or pretence); humbug, jive, nonsense; canard, fallacy, misconception, myth; falsification, misinformation, misreport, misrepresentation, misstatement; deceit, deceitfulness, dishonesty, duplicity, fraudulenceNear Antonyms fact, truism, verity; honesty, truthfulness, veracity; authentication, confirmation, substantiation, validation, verificationAntonyms truth

2 the tendency to tell lies <you need to overcome this deplorable mendacity, or no one will ever believe anything you say> Synonyms deceit, deceitfulness, falsehood, mendaciousness, dishonesty, untruthfulnessRelated Words artifice, craft, craftiness, crookedness, cunning, dissembling, dissimulation, double-dealing, duplicity, fakery, foxiness, guile, guilefulness, insincerity, trickishness, wiliness; falseness; hypocrisyNear Antonyms honor, incorruptibility; candidness, candor, frankness, good faith, plainspokenness, sincerity, straightforwardness; dependability, reliability, reliableness, trustworthiness; accuracy, objectivity; authenticity, correctness, genuineness; credibilityAntonyms honesty, integrity, probity, truthfulness, veraciousness, veracity, verity