Definition of mendacity in English:



  • Untruthfulness.

    ‘people publicly castigated for past mendacity’
    • ‘His history of mendacity is so intense and so long lasting that he wouldn't understand the truth if he fell over it.’
    • ‘He cleans it up for TV or interviews, but his show is is truly a sickening display of raging mendacity.’
    • ‘This is a statement shot through with mendacity.’
    • ‘Face it, he is almost pathological in either his mendacity or in his self-deception.’
    • ‘Three hours is an awful long time in the cinema just to have that condescending truism lowered on us - in any case distorted and exaggerated to the point of mendacity.’
    • ‘It may be that some people you encounter are so deeply ingrained with malice, avarice, mendacity and all the perversity our heritage can inflict on us that they are beyond redemption.’
    • ‘There are examples of his mendacity - or his faculty for memory-loss and myth-making - that will affect people's lives.’
    • ‘I have never understood this: I understand the ethical concerns surrounding infidelity, since mendacity is involved.’
    • ‘We demand that the media present the facts in an even-handed manner, investigate indications of corruption and mendacity, and spare us the trivia.’
    • ‘It did not matter to this grand pooh-bah of the punditocracy that the ads were pure mendacity from start to finish.’
    • ‘When will they be held accountable for their mendacity?’
    • ‘However, his aversion to marriage, his offbeat attitude to parenthood and his serial mendacity may be rooted rather closer to home in his own life.’
    • ‘If Ann is guilty of objective mendacity in print, I should very much like to see it pointed out.’
    • ‘Deceit, avarice and mendacity seem to be the main qualities displayed by successive governments and that leads to unsafe times for us little folks.’
    • ‘It's a long turgid document of breathtaking mendacity.’
    • ‘Companies which allocate blank cheques to management teams with a proven record of failure and mendacity, get what they deserve.’
    • ‘Hopefully, he will never know that there had been two delivery charges paid (for there were two deliveries, after all) plus a tenner to the driver for his mendacity.’
    • ‘As the city gasps for fiscal air, it's only fair to be clear that the city's budget difficulties are a result of provincial mendacity and not local mismanagement.’
    • ‘What's more, the obvious mendacity of the statement renders the argument faulty and therefore a clear case of sophistry.’
    • ‘His speculations in this regard, while intriguing, are teased from the silent ether and rely heavily on the fact of her general mendacity.’
    lying, untruthfulness, dishonesty, deceit, deceitfulness, deception, dissembling, insincerity, disingenuousness, hypocrisy, fraud, fraudulence, double-dealing, two-timing, duplicity, perjury, perfidy
    untruth, fictitiousness, falsity, falsehood, falseness, fallaciousness, hollowness
    economy with the truth, terminological inexactitude
    View synonyms


Mid 17th century: from ecclesiastical Latin mendacitas, from mendax, mendac- lying (see mendacious).