untrue

I adjective apocryphal, contrary to fact, counterfeit, deceitful, deceptive, delusive, dishonest, disingenuous, disloyal, disobedient, erroneous, faithless, fake, fallacious, false, falsus, fictitious, forged, fraudulent, groundless, hypocritical, inaccurate, inconstant, incorrect, insidious, insincere, invented, lying, mendacious, misleading, mock, perfidious, prevaricating, recreant, scheming, shifty, spurious, traitorous, treacherous, treasonable, trumped up, truthless, two-faced, uncandid, undutiful, unfaithful, unfounded, unreal, unsubstantial, untrustworthy, untruthful, unveracious, wrong II index bogus, broken (unfulfilled), colorable (specious), deceptive, delusive, dishonest, erroneous, faithless, fallacious, false (disloyal), false (inaccurate), fictitious, fraudulent, inaccurate, incorrect, invalid, lying, mendacious, perfidious, recreant, spurious, unfounded, unreliable, unsound (fallacious), unsustainable, untrustworthy