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mendacity

[men-das-i-tee] /mɛnˈdæs ɪ ti/
noun, plural mendacities for 2.
1.
the quality of being mendacious; untruthfulness; tendency to lie.
2.
an instance of lying; falsehood.
Origin of mendacity
1640-1650
1640-50; < Late Latin mendācitās falsehood, equivalent to Latin mendāci- (stem of mendāx) given to lying, false + -tās -ty2
Can be confused
mendacity, mendicity.
Synonyms
1, 2. deception, lie, untruth, deceit.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for mendacity

mendacity

/mɛnˈdæsɪtɪ/
noun (pl) -ties
1.
the tendency to be untruthful
2.
a falsehood
Derived Forms
mendacious (mɛnˈdeɪʃəs) adjective
mendaciously, adverb
mendaciousness, noun
Word Origin
C17: from Late Latin mendācitās, from Latin mendāx untruthful
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for mendacity
n.

"tendency to lie," 1640s, from Middle French mendacité and directly from Late Latin mendacitas "falsehood, mendacity," from Latin mendax "lying; a liar" (see mendacious).

Online Etymology Dictionary, © 2010 Douglas Harper
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