mendacious

adj.

1. Lying; untruthful: a mendacious child.
2. False; untrue: a mendacious statement. See synonyms at dishonest.

[From Latin mendācium, lie, from mendāx, mendāc-, mendacious.]

mendaciously men·da'cious·ly adv.

(men-DAY-shuhs)

adjective
Telling lies, especially as a habit.

Etymology
From Latin mendac-, stem of mendax (lying), from mendum (fault or defect) that also gave us amend, emend, and mendicant

From The Devil's Dictionary: Mendacious, adj. Addicted to rhetoric.

Usage
"Forget Disney's cartoon tale of the mendacious marionette whose doweled nose grows longer with every fib." — Roger McBain; Ballet Helps 'Pinocchio' Step Out In New Direction; Evansville Courier & Press (Indiana); May 11, 2005.

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adjective

Given to or marked by deliberate concealment or misrepresentation of the truth: deceitful, dishonest, lying, untruthful. See honest/dishonest.

adj

Definition: dishonest
Antonyms: frank, honest, sincere, truthful

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given to or characterized by deception or falsehood or divergence from absolute truth
<mendacious tales of his adventures>

A cynical view of the world by Ambrose Bierce

adj.

Addicted to rhetoric.

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IN BRIEF: Not truthful.

The child was known to be mendacious and so could not be trusted.

Dansk (Danish)
adj. - løgnagtig

Nederlands (Dutch)
leugenachtig, oneerlijk

Français (French)
adj. - mensonger

Deutsch (German)
adj. - unwahr, verlogen

Ελληνική (Greek)
adj. - αναληθής, ανειλικρινής

Italiano (Italian)
mendace

Português (Portuguese)
adj. - mentiroso

Русский (Russian)
лживый

Español (Spanish)
adj. - mendaz, mentiroso

Svenska (Swedish)
adj. - lögnaktig

中文（简体）(Chinese (Simplified))
虚假的, 说谎的

中文（繁體）(Chinese (Traditional))
adj. - 虛假的, 說謊的

한국어 (Korean)
adj. - 가짜의, 거짓을 말하는

日本語 (Japanese)
adj. - 虚偽の, 偽りの, 嘘をつく

العربيه (Arabic)
‏(صفه) كذاب‏

עברית (Hebrew)
adj. - ‮כוזב, מלא שקרים‬

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