the quality or condition of being false; incorrectness; untruthfulness; treachery.

something false; falsehood.

noun

honesty , truth , truthfulness

noun

canard , cheating , deceit , deceptiveness , disingenuousness , double-dealing , duplicity , erroneousness , error , faithlessness , fake , fallacy , falsehood , fib , fraud , fraudulence , hypocrisy , inaccuracy , infidelity , insincerity , lie , mendacity , misrepresentation , perfidiousness , perfidy , prevarication , sham , story , tale , treachery , uncandidness , unfaithfulness , unreality , untruth , disloyalty , false-heartedness , falseness , traitorousness , treacherousness , cock-and-bull story , fiction , inveracity , misstatement