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mendacious

[men-dey-shuh s] /mɛnˈdeɪ ʃəs/
adjective
1.
telling lies, especially habitually; dishonest; lying; untruthful:
a mendacious person.
2.
false or untrue:
a mendacious report.
Origin
1610-1620
1610-20; < Latin mendāci- (see mendacity) + -ous
Related forms
mendaciously, adverb
mendaciousness, noun
unmendacious, adjective
unmendaciously, adverb
Antonyms
1, 2. veracious.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples for mendacious
  • Rumor is an evanescent and mendacious tatterdemalion.
  • This is disingenuous or possibly mendacious of you.
  • Yes, much of their output is tendentious, unbalanced or downright mendacious.
  • You are being mendacious and misrepresentative.
  • This line of thought is mendacious to say the least.
  • It is mendacious to suggest such an examination was not allowed.
  • So it was, and a particularly corrupt and mendacious kind of theater at that.
  • The irresponsible and mendacious propaganda must cease.
  • It was a bold and characteristically mendacious accusation.
  • Sadly, after so many years, people keep repeating this mendacious lie.
Word Origin and History for mendacious
adj.

1610s, from Middle French mendacieux, from Latin mendacium "a lie, untruth, falsehood, fiction," from mendax (genitive mendacis) "lying, deceitful," from menda "fault, defect, carelessness in writing," from PIE root *mend- "physical defect, fault" (see amend (v.)). The sense evolution of Latin mendax was influenced by mentiri "to speak falsely, lie, deceive." Related: Mendaciously; mendaciousness.

Online Etymology Dictionary, © 2010 Douglas Harper
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