As adjectives the difference between untrue and mendacious
is that untrue is while mendacious is (of a person) lying, untruthful or dishonest.
untrue
English
Alternative forms
* (obsolete)
Derived terms
*
Synonyms
*
*
Antonyms
*
mendacious
English
Adjective
(
en adjective)
(of a person) Lying, untruthful or dishonest.
(of a statement etc) False or untrue.