- Date: 13th century
- 1 : an untrue statement : lie
- 2 : absence of truth or accuracy
- 3 : the practice of lying : mendacity
Falsity (from Latin falsitas) or falsehood is a perversion of truth originating in the deceitfulness of one party, and culminating in the damage of another party. Falsity is also a measure of the quality or extent of the falseness of something, while a falsehood may also mean simply an incorrect (false) statement, independent of any intention to deceive.