n. pl. Falsities. The quality of being false; contrariety or want of conformity to truth. That which is false; falsehood; a lie; a false assertion.
Syn. - Falsehood; lie; deceit. - Falsity, Falsehood, Lie. Falsity denotes the state or quality of being false. A falsehood is a false declaration designedly made. A lie is a gross, unblushing falsehood. The falsity of a person's assertion may be proved by the evidence of others and thus the charge of falsehood be fastened upon him.