Definition of "falshood"

Is this the effect of all your put on Jealousy, that Mask to hide your own new falshood in?

1681, Aphra Behn, “The Second Part of The Rover”, in The Works of Aphra Behn, Vol. I (of 6)‎

We have taken away the motives to concealment and falshood.

1783, William Godwin, Four Early Pamphlets‎

To ſave myſelf from theſe unmerciful corrections, I reſorted to falſhood, and the untruths which I ſturdily maintained, were brought in judgment againſt me, to ſupport my tyrant's inhuman charge of my natural propenſity to vice.

1798, Mary Wollstonecraft Godwin, “[Maria: or, The] Wrongs of Woman”, in W[illiam] Godwin, editor, Posthumous Works of the Author of A Vindication of the Rights of Woman. […], volume I, London: […] J[oseph] Johnson, […]; and G[eorge,] G[eorge] and J[ohn] Robinson, […], chapter V, page 85