mendacious

[ men-dey-shuhs ]
/ mɛnˈdeɪ ʃəs /

adjective

telling lies, especially habitually; dishonest; lying; untruthful: a mendacious person.
false or untrue: a mendacious report.

Origin of mendacious

1610–20; < Latin mendāci- (see mendacity) + -ous

Related forms

men·da·cious·ly, adverbmen·da·cious·ness, nounun·men·da·cious, adjectiveun·men·da·cious·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for mendacious