Falsity a. : The quality of being false; coutrariety or want of conformity to truth.

Falsity a. : That which is false; falsehood; a lie; a false assertion.

Example:
What is the difference between truth and Falsity and nonsense?

Taxonomy
Falsity, free encyclopedia, falsehood, search, Latin, deceitfulness, one party, culminating, damage, measure, extent, falseness, intention, coin, legal tender, due authorization, tampering, wills.

Defination from the web:
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 ...