mendacious

[men-dey-shuhs]

adjective

1. telling lies, especially habitually; dishonest; lying; untruthful.

   a mendacious person.

   Antonyms: veracious

2. false or untrue.

   a mendacious report.

   Antonyms: veracious

Other Word Forms

• mendaciously adverb
• mendaciousness noun
• unmendacious adjective
• unmendaciously adverb

Word History and Origins

Origin of mendacious¹

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

Example Sentences

Then again, how can there be with such a mendacious, felonious, libertine as their standard bearer?

From Salon

Meanwhile, Israeli PM Netanyahu welcomed the decision, calling it a "firm measure against the mendacious smear campaign against" Israel.

From BBC

Sentencing, Lord Arthurson said each of the men were "self-serving, arrogant and mendacious", adding they had "subverted public trust in NHS management".

From BBC

It's a sign of the delusional self-confidence in their own mendacious powers that the tech oligarchs who are financing this idiotic idea insist on going with that branding anyway.

From Salon

He kept escalating his incendiary comments while the Harris campaign focused on desperately trying to highlight how extreme, divisive, and mendacious he was.

From Salon