FOUL'NESS, noun 1. The quality of being foul or filthy; filthiness; defilement. 2. The quality or state of containing or being covered with any thing extraneous which is noxious or offensive; as the foulness of a cellar, or of a well; the foulness of a musket; the foulness of a ship's bottom. 3. Pollution; impurity. There is not so chaste a nation as this, nor so free from all pollution or foulness 4. Hatefulness; atrociousness; as the foulness of a deed. 5. Ugliness; deformity. The foulness of the' infernal form to hide. 6. Unfairness; dishonesty; want of candor. Piety is opposed to hypocrisy and insincerity, and all falseness or foulness of intentions.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI