mendacious

[ men-dey-shuhs ]

See synonyms for: mendacious mendaciously on Thesaurus.com

adjective

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

Origin of mendacious

¹

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

Opposites for mendacious

1, 2

See antonyms for mendacious on Thesaurus.com

Other words from mendacious

men·da·cious·ly, adverb
men·da·cious·ness, noun
un·men·da·cious, adjective
un·men·da·cious·ly, adverb

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use mendacious in a sentence

Sadly, a significant number of House and Senate members appear dim and perhaps were led astray by more mendacious members.
Seditious Republicans must be held accountable | Jennifer Rubin | January 7, 2021 | Washington Post
"I won't hurt you, my little man," he added, with the affable mendaciousness of his craft.
A Flat Iron for a Farthing | Juliana Horatia Ewing

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