Mendacious (adjective)
(of a Lying, untruthful or dishonest.
Mendacious (adjective)
(of a False or untrue.
Mendacity (noun)
The fact or condition of being untruthful; dishonesty.
Mendacity (noun)
A lie.
Wiktionary
Mendacity (noun)
untruthfulness
“people publicly castigated for past mendacity”
Oxford Dictionary
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