n The quality of being oblique in direction, deviating from the horizontal or vertical; (non-gloss definition|or) the angle created by such a deviation. (defdate|from 15th c.)
n Mental or moral deviation or perversity; immorality. (defdate|from 15th c.)
n The quality of being obscure, oftentimes willfully, sometimes as an exercise in euphemism. (defdate|from 17th c.)