The child was known to be mendacious and so could not be trusted.    From LearnThat.org. 

A mendacious statement.    From Wordnet, Princeton University. 

Adjective : a mendacious person. ,a mendacious report.    From Dictionary.com. 

The bigger the unit you deal with, the hollower, the more brutal, the more mendacious is the life displayed.    From Wordnik.com.  [Familiar Letters of William James II] Reference

Perhaps the term 'mendacious' could be added to Romanus's list.    From Wordnik.com.  [Fellay speaks: The talks begin in the autumn of 2009] Reference

And here he exposes himself as just the kind of mendacious, chicaning, empty bag of wind he has always appeared to be.    From Wordnik.com.  [À la recherche du temps perdu « Lean Left] Reference

I think that's destructive, I think it's mendacious.    From Wordnik.com.  [CNN Transcript Nov 18, 2005] Reference

"Must you really go?" asked the mendacious Petronella.    From Wordnik.com.  [The Gay Cockade] Reference

It's just mendacious that she now turns on the naivete.    From Wordnik.com.  [Video: Annie Leibovitz and Miley Cyrus: Vanity Fair] Reference

Starr looked less mendacious than righteously indignant.    From Wordnik.com.  [The Starr Chamber] Reference

GILL: Oh, I mean, mendacious, I think is the polite word.    From Wordnik.com.  [CNN Transcript Jun 6, 2003] Reference

Because he was misguided whereas they, we, are mendacious.    From Wordnik.com.  [Judas Died for Somebody's Sins, But Not Mine: James Wolcott] Reference

"An 'for good reason," declared the mendacious storekeeper.    From Wordnik.com.  [Cap'n Abe, Storekeeper] Reference

It is a much smoother, more anodyne - and mendacious piece.    From Wordnik.com.  [On Thursday, the Legg report will be published along with...] Reference

The temptation will be to depict Lewinsky as a mendacious vixen.    From Wordnik.com.  [How Strong Is Starr's Case?] Reference

My correspondent's letters were much more mendacious compositions.    From Wordnik.com.  [She and I, Volume 2 A Love Story. A Life History.] Reference

With this mendacious explanation Gustavus was forced to be content.    From Wordnik.com.  [The Swedish Revolution Under Gustavus Vasa] Reference

Let's be charitable and assume you're a fool rather than mendacious.    From Wordnik.com.  [On Thursday, the Legg report will be published along with...] Reference

Jim muttered a courteous and most mendacious disclaimer of Miss Sylla's.    From Wordnik.com.  [Belles and Ringers] Reference

Party journalism in the Province of Quebec is peculiarly bitter and mendacious.    From Wordnik.com.  [The Hunted Outlaw or, Donald Morrison, the Canadian Rob Roy] Reference

After these mendacious statements he would wend a gloomy way homeward to his Pine.    From Wordnik.com.  [The Spinner's Book of Fiction] Reference

To the silver faction, their opponents were "mendacious hirelings" and "Gilded Shylocks.".    From Wordnik.com.  [The United States Since the Civil War] Reference

As long as we have that state of things, we shall have wars and secret and mendacious diplomacy.    From Wordnik.com.  [New York Times, Current History, Vol 1, Issue 1 From the Beginning to March, 1915 With Index] Reference

The following dialogue is a specimen of the talents of the aforementioned mendacious personages.    From Wordnik.com.  [The Mirror of Literature, Amusement, and Instruction Volume 17, No. 494, June 18, 1831] Reference

"I hope, sir, you do not mean me to infer that you are mendacious?" the old gentleman sternly rejoined.    From Wordnik.com.  [The Heavenly Twins] Reference

The so-called liberal press gets accused of all kinds of mendacious behavior, but this one is really low.    From Wordnik.com.  [CNN Transcript Nov 16, 2008] Reference

Searle himself had employed so persistently, many of them grossly mendacious, as Beth was sufficiently aware.    From Wordnik.com.  [The Furnace of Gold] Reference

Needless to say, former chairman Kenneth Lay is a mendacious person and a product of America's capitalist system.    From Wordnik.com.  [The Mideast Showdown] Reference

His clerk was absent serving papers in Etruria, and, hanging a mendacious "Back-in-1-Hour" sign on his outer door.    From Wordnik.com.  [The Henchman] Reference

Digesting my disgust as best I could, I lighted my cheroot with the mendacious foolscap and blushed for my species.    From Wordnik.com.  [Lippincott's Magazine of Popular Literature and Science Volume 15, No. 87, March, 1875] Reference

Had PUNCH not proved that he (Mr. Roebuck) had a father, which the "mendacious journal" had asserted was impossible?.    From Wordnik.com.  [Punch, or the London Charivari, Volume 1, November 20, 1841] Reference

"Very dark; but many people are dark, of course; and for my part I always liked dark eyes," said this mendacious person.    From Wordnik.com.  [Lippincott's Magazine of Popular Literature and Science Volume 17, No. 102, June, 1876] Reference

It never occurred to that subtle, devious mind that an outward display of frankness might be more mendacious than any evasion.    From Wordnik.com.  [The Thorn Birds]

In the process, the Oval Office speech declared that every U.S. war -- no matter how mendacious or horrific -- is worthy of veneration.    From Wordnik.com.  [Norman Solomon: A Speech for Endless War] Reference