| Mendacious 1. (a.) Given to deception or falsehood; lying; as, a mendacious person. 2. (a.) False; counterfeit; containing falsehood; as, a mendacious statement. Thesaurus Entries deceitful, dishonest, equivocal, equivocating, erroneous, fallacious, FALSE, fibbing, forsworn, knavish, lying, paltering, perjured, prevaricating, roguish, shifty, spurious, truthless, untruthful, unveracious, wrong |