a false statement; lie.

something false; an untrue idea, belief, etc.

The Nazis propagated the falsehood of racial superiority.

the act of lying or making false statements.

lack of conformity to truth or fact.

Obsolete . deception.

noun

truth

noun

canard , cover-up , deceit , deception , dishonesty , dissimulation , distortion , equivocation , erroneousness , error , fable , fabrication , fakery , fallaciousness , fallacy , falseness , falsity , feigning , fib , fibbery , fiction , figment , fraud , half truth , hogwash * , line , mendacity , misstatement , perjury , pretense , prevarication , sham * , story , tale , tall tale * , untruism , untruth , untruthfulness , whopper * , yarnnotes:a falsehood is a false statement , a lie , or untruth; falseness is the state of being false or untrue , cock-and-bull story , inveracity , misrepresentation , truthlessness , inaccuracy , lie , perfidy , treachery