Men*da"cious (?), a. [L. mendax,
-acis, lying, cf. mentiri to lie.] 1.
Given to deception or falsehood; lying; as, a mendacious
person.
2. False; counterfeit; containing falsehood;
as, a mendacious statement.
-- Men*da"cious*ly, adv. --
Men*da"cious*ness, n.